Bulletin of Insectology (2009) 62, 107-112

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Barbara Conti (2009)
Notes on the presence of Aeolothrips intermedius in northwestern Tuscany and on its development under laboratory conditions
Bulletin of Insectology 62 (1), 107-112
Abstract: Data obtained in 2005 and 2006 both from captures with yellow sticky traps and from periodic direct samplings on flowers showed that Aeolothrips intermedius Bagnall (Thysanoptera Aeolothripidae) is, among its congenera, the species most frequently present in phytocenoces of northwestern Tuscany. It shows a predatory behaviour, and completes in Tuscany 3-4 generations a year, with 3 peaks of presences, in June, in July and in August. During 2006, by rearing this species under laboratory conditions (mean temperature in May 23 ± 2 °C and in June 27 ± 2 °C and natural photoperiod) it was found that the duration of embryonic development was 6.8 and 3.7 days respectively in May and in June; duration of the first larval instar was 3.2 days in May and 2.4 in June; duration of the second larval instar was 5.4 and 4.1 days and finally, duration of the pre-pupa and pupa was totally 6.2 days in May and 5.6 in June. Life cycle duration (egg-adult) takes 21.6 ± 2.2 days in May and 15.7 ± 1.6 days in June.
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Database assignments for author(s): Barbara Conti

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution
population dynamics/epizootiology


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Thrips tabaci Alfalfa/lucerne (Medicago sativa) Italy
Thrips tabaci Clover (Trifolium) Italy
Thrips tabaci Rosa (crop) Italy
Thrips tabaci Sweet clover (Melilotus) Italy
Frankliniella intonsa Alfalfa/lucerne (Medicago sativa) Italy
Frankliniella intonsa Clover (Trifolium) Italy
Frankliniella intonsa Rosa (crop) Italy
Frankliniella intonsa Sweet clover (Melilotus) Italy
Aeolothrips intermedius (predator) Thrips tabaci Alfalfa/lucerne (Medicago sativa) Italy
Aeolothrips intermedius (predator) Thrips tabaci Clover (Trifolium) Italy
Aeolothrips intermedius (predator) Thrips tabaci Rosa (crop) Italy
Aeolothrips intermedius (predator) Thrips tabaci Sweet clover (Melilotus) Italy
Aeolothrips intermedius (predator) Frankliniella intonsa Alfalfa/lucerne (Medicago sativa) Italy
Aeolothrips intermedius (predator) Frankliniella intonsa Clover (Trifolium) Italy
Aeolothrips intermedius (predator) Frankliniella intonsa Rosa (crop) Italy
Aeolothrips intermedius (predator) Frankliniella intonsa Sweet clover (Melilotus) Italy