Richard Stouthamer

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See Richard Stouthamer in the ISPI database of scientists.


Publications of Richard Stouthamer

Journal of Economic Entomology (2019) 112, 1575-1580
Marco Gebiola and Richard Stouthamer (2019)
Laboratory hybridization between the green lacewings Chrysoperla comanche (Neuroptera: Chrysopidae) and Chrysoperla rufilabris, predators of the Asian citrus psyllid

Pest Management Science (2019) 75, 3102-3112
Marco Gebiola, Jeffrey W. Streicher, Paul F. Rugman-Jones, Joseph G. Morse and Richard Stouthamer (2019)
Genome-wide analyses of single nucleotide polymorphisms reveal the consequences of traditional mass-rearing on genetic variation in Aphytis melinus (Hymenoptera: Aphelinidae): the danger of putting all eggs in one basket

Phytopathology (2019) 109, 294-300
Leonard Nunney, Hamid Azad and Richard Stouthamer (2019)
An experimental test of the host-plant range of nonrecombinant strains of North American Xylella fastidiosa subsp. multiplex

Entomologia Experimentalis et Applicata (2019) 167, 241-251
Valeh Ebrahimi, Ahmad Ashouri, Paul F. Rugman-Jones, Amelia R.I. Lindsey, Mohammad Javan-Nikkhah and Richard Stouthamer (2019)
Using parthenogenesis-inducing Wolbachia for the selection of optimal lines of the egg parasitoid Trichogramma pretiosum for use in biocontrol

Environmental Entomology (2019) 48, 514-523
Francesc Gomez-Marco, Marco Gebiola, Bobby G. Baker, Richard Stouthamer and Gregory S. Simmons (2019)
Impact of the temperature on the phenology of Diaphorina citri (Hemiptera: Liviidae) and on the establishment of Tamarixia radiata (Hymenoptera: Eulophidae) in urban areas in the Lower Colorado Desert in Arizona

Plant Disease (2018) 102, 1154-1164
Francis Na, Joseph D. Carrillo, Joey S. Mayorquin, Cedric Ndinga-Muniania, Jason E. Stajich, Richard Stouthamer, Yin-Tse Huang, Yu-Ting Lin, Chi-Yu Chen and Akif Eskalen (2018)
Two novel fungal symbionts Fusarium kuroshium sp. nov. and Graphium kuroshium sp. nov. of Kuroshio shot hole borer (Euwallacea sp. nr. fornicatus) cause Fusarium dieback on woody host species in California

BioControl (2018) 63, 763-771
Marco Gebiola, Francesc Gomez-Marco, Gregory S. Simmons and Richard Stouthamer (2018)
Effect of host feeding on life history traits of Tamarixia radiata, parasitoid of the Asian citrus psyllid, Diaphorina citri

Florida Entomologist (2018) 101, 364-368
Aloisio Coelho Jr, Richard Stouthamer and José Roberto Postali Parra (2018)
Flight propensity of isofemale lines of Trichogramma pretiosum Riley in two relative humidity levels

Agricultural and Forest Entomology (2017) 19, 366-375
Richard Stouthamer, Paul Rugman-Jones, Pham Q. Thu, Akif Eskalen, Tim Thibault, Jiri Hulcr, Liang-Jong Wang, Bjarte H. Jordal, Chi-Yu Chen, Miriam Cooperband, Ching-Shan Lin, Naoto Kamata, Sheng-Shan Lu, Hayato Masuya, Zvi Mendel, Robert Rabaglia, Sunisa Sanguansub, Hsin-Hui Shih, Wisut Sittichaya and Shixiang Zong (2017)
Tracing the origin of a cryptic invader: phylogeography of the Euwallacea fornicatus (Coleoptera: Curculionidae: Scolytinae) species complex

Florida Entomologist (2017) 100, 509-514
Thomas L. Skarlinsky, Paul Rugman-Jones, Joe Funderburk, Richard Stouthamer and Carlos Sanabria Ujueta (2017)
Adult identity crisis in Leucothrips (Thysanoptera: Thripidae) associated with the tropical ornamental plant Codiaeum variegatum (Euphorbiaceae)

Florida Entomologist (2017) 100, 262-265
Paul F. Rugman-Jones, Saida Kharrat, Mark S. Hoddle and Richard Stouthamer (2017)
The invasion of Tunisia by Rhynchophorus ferrugineus (Coleoptera: Curculionidae): Crossing an ocean or crossing a sea?

Entomologia Experimentalis et Applicata (2017) 163, 51-59
A. Tena, R. Stouthamer and M.S. Hoddle (2017)
Effect of host deprivation on the foraging behavior of the Asian citrus psyllid parasitoid Tamarixia radiata: observations from the laboratory and the field

Agricultural and Forest Entomology (2016) 18, 223-237
Miriam F. Cooperband, Richard Stouthamer, Daniel Carrillo, Akif Eskalen, Tim Thibault, Allard A. Cossé, Louela A. Castrillo, John D. Vandenberg and Paul F. Rugman-Jones (2016)
Biology of two members of the Euwallacea fornicatus species complex (Coleoptera: Curculionidae: Scolytinae), recently invasive in the U.S.A., reared on an ambrosia beetle artificial diet

Journal of Insect Science (2016) 16 (100), 1-7
Muhammad Yasin, Paul F. Rugman-Jones, Waqas Wakil and Richard Stouthamer (2016)
Mitochondrial DNA variation among populations of Rhynchophorus ferrugineus (Coleoptera: Curculionidae) from Pakistan

PLoS ONE (2016) 11 (1 - e0146153)
Aloisio Coelho Jr ., Paul F. Rugman-Jones, Carolina Reigada, Richard Stouthamer and José R.P. Parra (2016)
Laboratory performance predicts the success of field releases in inbred lines of the egg parasitoid Trichogramma pretiosum (Hymenoptera: Trichogrammatidae)

Applied Entomology and Zoology (2015) 50, 73-77
Kazushi Sogo, Kazuki Miura, Misato Aizawa, Takeo Watanabe and Richard Stouthamer (2015)
Genetic structure in relation to reproduction mode in Thrips tabaci (Insecta: Thysanoptera)

Journal of Applied Ecology (2015) 52, 763-773
Dagne Duguma, Michael W. Hall, Paul Rugman-Jones, Richard Stouthamer, Josh D. Neufeld and William E. Walton (2015)
Microbial communities and nutrient dynamics in experimental microcosms are altered after the application of a high dose of Bti

Biological Invasions (2014) 16, 2393-2402
Vanessa M. Lopez, Paul F. Rugman-Jones, Tom W. Coleman, Mark S. Hoddle and Richard Stouthamer (2014)
Population genetics of goldspotted oak borer, Agrilus auroguttatus Schaeffer (Coleoptera: Buprestidae): investigating the origin of an invasive pest of native oaks in California

Journal of Economic Entomology (2014) 107, 483-495
Richard Stouthamer and Leonard Nunney (2014)
Can neutral molecular markers be used to determine the success of an introduction of a "better" strain into an established population of a biocontrol parasitoid?

Applied and Environmental Microbiology (2014) 80, 3025-3033
Leonard Nunney, Erin L. Schuenzel, Mark Scally, Robin E. Bromley and Richard Stouthamer (2014)
Large-scale intersubspecific recombination in the plant-pathogenic bacterium Xylella fastidiosa is associated with the host shift to mulberry

PLoS ONE (2014) 9 (11 - e112463)
Leonard Nunney, Beatriz Ortiz, Stephanie A. Russell, Rebeca Ruiz Sánchez and Richard Stouthamer (2014)
The complex biogeography of the plant pathogen Xylella fastidiosa: Genetic evidence of introductions and subspecific introgression in Central America

Journal of Applied Entomology (2014) 138, 346-354
A. Guzmán-Larralde, E. Cerna-Chávez, E. Rodríguez-Campos, J.C. Loyola-Licea and R. Stouthamer (2014)
Genetic variation and the performance of a mass-reared parasitoid, Trichogramma pretiosum (Hymenoptera: Trichogrammatidae), in laboratory trials

Applied and Environmental Microbiology (2014) 80, 1159-1169
Leonard Nunney, Donald L. Hopkins, Lisa D. Morano, Stephanie E. Russell and Richard Stouthamer (2014)
Intersubspecific recombination in Xylella fastidiosa strains native to the United States: Infection of novel hosts associated with an unsuccessful invasion

Applied and Environmental Microbiology (2013) 79, 2189-2200
Leonard Nunney, Danel B. Vickerman, Robin E. Bromley, Stephanie A. Russell, John R. Hartman, Lisa D. Morano and Richard Stouthamer (2013)
Recent evolutionary radiation and host plant specialization in the Xylella fastidiosa subspecies native to the United States

PLoS ONE (2013) 8 (10 - e78379)
Paul F. Rugman-Jones, Christina D. Hoddle, Mark S. Hoddle and Richard Stouthamer (2013)
The lesser of two weevils: Molecular-genetics of pest palm weevil populations confirm Rhynchophorus vulneratus (Panzer 1798) as a valid species distinct from R. ferrugineus (Olivier 1790), and reveal the global extent of both

BioControl (2013) 58, 515-524
Modesto del Pino, Paul Rugman-Jones, Estrella Hernández-Suárez, Andrew Polaszek and Richard Stouthamer (2013)
Rapid molecular identification of five species of Trichogramma occurring in the Canary Islands with notes on their distribution in banana groves

Plant Disease (2013) 97, 938-951
Akif Eskalen, Richard Stouthamer, Shannon Colleen Lynch, Paul F. Rugman-Jones, Mathias Twizeyimana, Alex Gonzalez and Tim Thibault (2013)
Host Range of Fusarium dieback and its ambrosia beetle (Coleoptera: Scolytinae) vector in southern California

Bulletin of Entomological Research (2012) 102, 698-709
P.F. Rugman-Jones, M.S. Hoddle, R. Amrich, J.M. Heraty, C.E. Stouthamer-Ingel and R. Stouthamer (2012)
Phylogeographic structure, outbreeding depression, and reluctant virgin oviposition in the bean thrips, Caliothrips fasciatus (Pergande) (Thysanoptera: Thripidae), in California

BioControl (2012) 57, 211-225
Tom W. Coleman, Vanessa Lopez, Paul Rugman-Jones, Richard Stouthamer, Steven J. Seybold, Richard Reardon and Mark S. Hoddle (2012)
Can the destruction of California's oak woodlands be prevented? Potential for biological control of the goldspotted oak borer, Agrilus auroguttatus

Applied and Environmental Microbiology (2012) 78, 4702-4714
Leonard Nunney, Xiaoli Yuan, Robin E. Bromley and Richard Stouthamer (2012)
Detecting genetic introgression: High levels of intersubspecific recombination found in Xylella fastidiosa in Brazil

Biological Invasions (2012) 14, 1079-1100
Paul F. Rugman-Jones, Mark S. Hoddle, Phil A. Phillips, Gilsang Jeong and Richard Stouthamer (2012)
Strong genetic structure among populations of the invasive avocado pest Pseudacysta perseae (Heidemann) (Hemiptera: Tingidae) reveals the source of introduced populations

BioControl (2012) 57, 21-35
Andrew Polaszek, Paul F. Rugman-Jones, Richard Stouthamer, Estrella Hernandez-Suarez, Tomás Cabello and Modesto del Pino Pérez (2012)
Molecular and morphological diagnoses of five species of Trichogramma: biological control agents of Chrysodeixis chalcites (Lepidoptera: Noctuidae) and Tuta absoluta (Lepidoptera: Gelechiidae) in the Canary Islands

Phytopathology (2012) 102, 456-460
L. Nunney, S. Elfekih and R. Stouthamer (2012)
The importance of multilocus sequence typing: Cautionary tales from the bacterium Xylella fastidiosa

BioControl (2012) 57, 361-374
Nafiseh Poorjavad, Seyed H. Goldansaz, Thijs Machtelinckx, Luc Tirry, Richard Stouthamer and Thomas van Leeuwen (2012)
Iranian Trichogramma: ITS2 DNA characterization and natural Wolbachia infection

Proceedings of the Hawaiian Entomological Society (2011) 43, p. 67 (Wright et al.)
Mark G. Wright and Richard Stouthamer (2011)
First report of Trichogramma achaeae (Hymenoptera: Trichogrammatidae) from Hawaii

BioControl (2011) 56, 265-275
Paul F. Rugman-Jones, Lisa D. Forster, Emilio Guerrieri, Robert F. Luck, Joseph G. Morse, Maurilia M. Monti and Richard Stouthamer (2011)
Taxon-specific multiplex-PCR for quick, easy, and accurate identification of encyrtid and aphelinid parasitoid species attacking soft scale insects in California citrus groves

Journal of Economic Entomology (2010) 103, 877-886
Paul F. Rugman-Jones, Mark S. Hoddle and Richard Stouthamer (2010)
Nuclear-mitochondrial barcoding exposes the global pest western flower thrips (Thysanoptera: Thripidae) as two sympatric cryptic species in its native California

Annals of the Entomological Society of America (2010) 103, 30-38
Paul F. Rugman-Jones, Jeremy C. Andersen, Joseph G. Morse, Benjamin B. Normark and Richard Stouthamer (2010)
Molecular phylogenetic placement of the recently described armored scale insect Abgrallaspis aguacatae and several congeners (Hemiptera: Diaspididae)

Journal of Economic Entomology (2010) 103, 1172-1179
J. Magsig-Castillo, J.G. Morse, G.P. Walker, J.L. Bi, P.F. Rugman-Jones and R. Stouthamer (2010)
Phoretic dispersal of armored scale crawlers (Hemiptera: Diaspididae)

Phytopathology (2010) 100, 601-611
Xiaoli Yuan, Lisa Morano, Robin Bromley, Senanu Spring-Pearson, Richard Stouthamer and Leonard Nunney (2010)
Multilocus sequence typing of Xylella fastidiosa causing Pierce's disease and oleander leaf scorch in the United States

BioControl (2009) 54, 617-624
Fahriye Sumer, Aydin S. Tuncbilek, Sevcan Oztemiz, Bernard Pintureau, Paul Rugman-Jones and Richard Stouthamer (2009)
A molecular key to the common species of Trichogramma of the Mediterranean region

Florida Entomologist (2009) 92, 35-42
Eduardo C. Humeres, Joseph G. Morse, Richard Stouthamer, William Roltsch and Mark S. Hoddle (2009)
Evaluation of natural enemies and insecticides for control of Pseudacysta perseae (Hemiptera: Tingidae) on avocados in southern California

Journal of Economic Entomology (2009) 102, 1948-1953
Paul F. Rugman-Jones, Joseph G. Morse and Richard Stouthamer (2009)
Rapid molecular identification of armored scale insects (Hemiptera: Diaspididae) on Mexican 'Hass' avocado

Entomological Research (2009) 39, 66-69
Gilsang Jeong and Richard Stouthamer (2009)
Quantification of Wolbachia copy number in Trichogramma eggs (Hymenoptera: Trichogrammatidae): Lysozyme treatment significantly improves total gene yield from the Gram-negative bacterium

Proceedings of the Royal Society of London. Series B, Biological Sciences (2009) 276, 4149-4154
Joke J.F.A. Van Vugt, Hans de Jong and Richard Stouthamer (2009)
The origin of a selfish B chromosome triggering paternal sex ratio in the parasitoid wasp Trichogramma kaykai

Journal of Economic Entomology (2009) 102, 855-867
J.G. Morse, P.F. Rugman-Jones, G.W. Watson, L.J. Robinson, J.L. Bi and R. Stouthamer (2009)
High levels of exotic armored scales on imported avocados raise concerns regarding USDA-APHIS' phytosanitary risk assessment

Applied and Environmental Microbiology (2008) 74, 5862-5865
A.K. Hansen, J.T. Trumble, R. Stouthamer and T.D. Paine (2008)
A new huanglongbing species, `Candidatus Liberibacter psyllaurous', found to infect tomato and potato, is vectored by the psyllid Bactericera cockerelli (Sulc)

Florida Entomologist (2008) 91, 16-21
Mark S. Hoddle, Laurence A. Mound, Paul F. Rugman-Jones and Richard Stouthamer (2008)
Synonomy of five Scirtothrips species (Thysanoptera: Thripidae) described from avocados (Persea americana) in Mexico

Annals of the Entomological Society of America (2008) 101, 491-500
Mark S. Hoddle, John M. Heraty, Paul F. Rugman-Jones, Laurence A. Mound and Richard Stouthamer (2008)
Relationships among species of Scirtothrips (Thysanoptera: Thripidae, Thripinae) using molecular and morphological data

Applied and Environmental Microbiology (2007) 73, 7531-7535
A.K. Hansen, G. Jeong, T.D. Paine and R. Stouthamer (2007)
Frequency of secondary symbiont infection in an invasive psyllid relates to parasitism pressure on a geographic scale in California

Entomologia Experimentalis et Applicata (2007) 124, 101-115
P.F. Rugman-Jones, M.S. Hoddle and R. Stouthamer (2007)
Population genetics of Scirtothrips perseae: tracing the origin of a recently introduced exotic pest of Californian avocado orchards, using mitochondrial and microsatellite DNA markers

Entomologia Experimentalis et Applicata (2006) 120, 33-40
Gilsang Jeong and Richard Stouthamer (2006)
Influence of postzygotic reproductive isolation on the interspecific transmission of the paternal sex ratio chromosome in Trichogramma

Journal of Economic Entomology (2006) 99, 1813-1819
Paul F. Rugman-Jones, Mark S. Hoddle, Laurence A. Mound and Richard Stouthamer (2006)
Molecular identification key for pest species of Scirtothrips (Thysanoptera: Thripidae)

Entomologia Experimentalis et Applicata (2006) 118, 177-183
Deguang Liu, John T. Trumble and Richard Stouthamer (2006)
Genetic differentiation between eastern populations and recent introductions of potato psyllid (Bactericera cockerelli) into western North America

Applied and Environmental Microbiology (2005) 71, 3832-3839
Erin L. Schuenzel, Mark Scally, Richard Stouthamer and Leonard Nunney (2005)
A multigene phylogenetic study of clonal diversity and divergence in North American strains of the plant pathogen Xylella fastidiosa

Molecular Ecology Notes (2005) 5, 644-646
P.F. Rugman-Jones, A.R. Weeks, M.S. Hoddle and R. Stouthamer (2005)
Isolation and characterization of microsatellite loci in the avocado thrips Scirtothrips perseae (Thysanoptera: Thripidae)

Applied and Environmental Microbiology (2005) 71, 8491-8499
Mark Scally, Erin L. Schuenzel, Richard Stouthamer and Leonard Nunney (2005)
Multilocus sequence type system for the plant pathogen Xylella fastidiosa and relative contributions of recombination and point mutation to clonal diversity

Proceedings of the Royal Society of London. Series B, Biological Sciences (2004) 271, 509-515
M.E. Huigens, R.P. de Almeida, P.A.H. Boons, R.F. Luck and R. Stouthamer (2004)
Natural interspecific and intraspecific horizontal transfer of parthenogenesis-inducing Wolbachia in Trichogramma wasps

Applied Entomology and Zoology (2004) 39, 705-715
Emmanuel I. Niyibigira, William A. Overholt and Richard Stouthamer (2004)
Cotesia flavipes Cameron and Cotesia sesamiae (Cameron) (Hymenoptera: Braconidae) do not exhibit complementary sex determination: Evidence from field populations

Proceedings of the Royal Society of London. Series B, Biological Sciences (2004) 271, S193-S195
Andrew R. Weeks and Richard Stouthamer (2004)
Increased fecundity associated with infection by a Cytophaga-like intracellular bacterium in the predatory mite, Metaseiulus occidentalis

Entomologia Experimentalis et Applicata (2004) 110, 115-123
M.E. Huigens, C.L. Hohmann, R.F. Luck, G. Gort and R. Stouthamer (2004)
Reduced competitive ability due to Wolbachia infection in the parasitoid wasp Trichogramma kaykai

Journal of Insect Science (2003) 3 (33), 23-24
Richard Stouthamer, Ties Huigens and Gilsang Jeong (2003)
The paternal sex ratio chromosome (PSR) is not involved in maintaining low Parthenogenesis Inducing Wolbachia infections in Trichogramma deion
XIII International Entomophagous Insects Workshop - July 27-31, 2003, Tucson, Arizona, U.S.A.

Entomologia Experimentalis et Applicata (2002) 105, 165-167
Yohsuke Tagami, Kazuki Miura and Richard Stouthamer (2002)
Positive effect of fertilization on the survival rate of immature stages in a Wolbachia-associated thelytokous line of Trichogramma deion and T. kaykai

Entomologia Experimentalis et Applicata (2002) 105, 111-118
Moses B. Mochiah, Adele J. Ngi-Song, William A. Overholt and Richard Stouthamer (2002)
Variation in encapsulation sensitivity of Cotesia sesamiae biotypes to Busseola fusca

Neotropical Entomology (2001) 30, 575-578
Américo I. Ciociola Jr., Ranyse B. Querino, Roberto A. Zucchi and Richard Stouthamer (2001)
Molecular tool for identification of closely related species of Trichogramma (Hymenoptera: Trichogrammatidae): T. rojasi Nagaraja and Nagarkatti and T. lasallei Pinto

Neotropical Entomology (2001) 30, 489-491
Américo I. Ciociola Jr., Raul P. De Alemida, Roberta A. Zucchi and Richard Stouthamer (2001)
Detecção de Wolbachia em uma População Telítoca de Trichogramma atopovirilia Oatman and Platner (Hymenoptera: Trichogrammatidae) via PCR com o Primer Específico wsp
[Detection of Wolbachia in a thelytokous population of Trichogramma atopovirilia Oatman and Platner (Hymenoptera: Trichogrammatidae) using PCR with the wsp specific primer]

Neotropical Entomology (2001) 30, 607-612
Celso L. Hohmann, Robert F. Luck and Richard Stouthamer (2001)
Effect of Wolbachia on the survival and reproduction of Trichogramma kaykai Pinto and Stouthamer (Hymenoptera: Trichogrammatidae)

Neotropical Entomology (2001) 30, 259-262
Américo I. Ciociola Jr., Roberto A. Zucchi and Richard Stouthamer (2001)
Molecular key to seven Brazilian species of Trichogramma (Hymenoptera: Trichogrammatidae) using sequences of the ITS2 region and restriction analysis

Proceedings of the Royal Society of London. Series B, Biological Sciences (2001) 268, 617-622
R. Stouthamer, M. van Tilborg, J.H. de Jong, L. Nunney and R.F. Luck (2001)
Selfish element maintains sex in natural populations of a parasitoid wasp

Neotropical Entomology (2001) 30, 601-605
Celso L. Hohmann, Robert F. Luck and Richard Stouthamer (2001)
Host deprivation effect on reproduction and survival of Wolbachia-infected and uninfected Trichogramma kaykai Pinto and Stouthamer (Hymenoptera: Trichogrammatidae)

Environmental Entomology (2000) 29, 832-837
Richard Stouthamer, Petra Jochemsen, Gary R. Platner and John D. Pinto (2000)
Crossing incompatibility between Trichogramma minutum and T. platneri (Hymenoptera: Trichogrammatidae): Implications for application in biological control

Biocontrol Science and Technology (2000) 10, 223-238
I.M.M.S. Silva, M.M.M. Van Meer, M.M. Roskam, A. Hoogenboom, G. Gort and R. Stouthamer (2000)
Biological control potential of Wolbachia-infected versus uninfected wasps: Laboratory and greenhouse evaluation of Trichogramma cordubensis and T. deion strains

Entomologia Experimentalis et Applicata (2000) 95, 105-111
R. Stouthamer, Y. Gai, A.B. Koopmanschap, G.R. Platner and J.D. Pinto (2000)
ITS-2 sequences do not differ for the closely related species Trichogramma minutum and T. platneri

Plant Protection Science (1999) 35, 1-9
M. Obornik, R. Stouthamer, E. Meekes and M. Schilthuittzen (1999)
Molecular characterization and phylogeny of the entomopathogenic fungus Aschersonia spp.

Letters in Applied Microbiology (1999) 28, 17-22
M.M.M. van Meer, F.J.P.M. van Kan and R. Stouthamer (1999)
Spacer 2 region and 5S rDNA variation of Wolbachia strains involved in cytoplasmic incompatibility or sex-ratio distortion in arthropods

BioControl (1999) 44, 1-11
Jeffrey Y. Honda, Isabel M.M.S. Silva, Jessica Vereijssen and Richard Stouthamer (1999)
Laboratory bioassay and greenhouse evaluation of Trichogramma cordubensis strains from Portugal

Entomologia Experimentalis et Applicata (1999) 92, 101-107
Isabel M.M.S. Silva and Richard Stouthamer (1999)
Do sympatric Trichogramma species parasitize the pest insect Helicoverpa armigera and the beneficial insect Chrysoperla carnea in different proportions?

BioControl (1998) 43, 421-440
Richard Stouthamer, Jianguo Hu, Frenk J.P.M. van Kan, Gray R. Platner and John D. Pinto (1998)
The utility of internally transcribed spacer 2 DNA sequences of the nuclear ribosomal gene for distinguishing sibling species of Trichogramma

Proceedings of the Royal Society of London. Series B, Biological Sciences (1997) 264, 361-366
M.O. Schilthuizen and R. Stouthamer (1997)
Horizontal transmission of parthenogenesis-inducing microbes in Trichogramma wasps