Difference between revisions of "Rhyzopertha dominica"
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[[File:Rhyzopertha_dominica_IPM1233134.jpg|250px|thumb|''Rhyzopertha dominica'' on wheat grain (click on image to enlarge it)<br/>Source: Clemson University - USDA Cooperative Extension Slide Series - [http://www.ipmimages.org/browse/detail.cfm?imgnum=1233134 IPM Images]]] | [[File:Rhyzopertha_dominica_IPM1233134.jpg|250px|thumb|''Rhyzopertha dominica'' on wheat grain (click on image to enlarge it)<br/>Source: Clemson University - USDA Cooperative Extension Slide Series - [http://www.ipmimages.org/browse/detail.cfm?imgnum=1233134 IPM Images]]] | ||
| − | <font color="#800000">'''''Rhyzopertha dominica'''''</font> (Fabricius) - lesser grain borer | + | <font color="#800000">'''''Rhyzopertha dominica'''''</font> (Fabricius, 1792) - (lesser grain borer) |
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| − | + | The beetle has a worldwide distribution and is an important pest of stored whole cereal grains. Other stored products may be also attacked, like stored cassava products, nuts, legumes, dried fruits and even dried meat. Grain shipments may be infested and are often responsible for the introduction of the pest into a different area. In addition, the adult is able to fly short distances. | |
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| + | The adult feeds on the grain, but lays its eggs outside the grain. The young larvae bore into the grain and live and pupate inside. Grains with cracks can facilitate the entry of the larvae. The development from egg, through 4 larval stages, to mature adult lasts around 3-4 weeks under favorable conditions. Management involves monitoring stores with pheromone traps. Fumigation is usually applied to light infestations. Advanced infestations need complete removal of the products and careful cleaning of the store. | ||
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| + | The adult is 2-3 mm long, dark brown to black. Seen from above, the head is partly or completely hidden by the pronotum which is pitted, with a series of knobs along its front edge. The antenna have 10 segments including a 3-segmented club. The elytra have rows of pits, each with a curved seta. | ||
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| + | '''Synonyms:'''<br/> | ||
| + | ''Dinoderus pusillus''<br/> | ||
| + | ''Rhizopertha dominica''<br/> | ||
| + | ''Rhizopertha pusilla'' | ||
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<gallery widths=200px caption="Other images of Rhyzopertha dominica (IPM images and PaDIL - click to enlarge)"> | <gallery widths=200px caption="Other images of Rhyzopertha dominica (IPM images and PaDIL - click to enlarge)"> | ||
Latest revision as of 21:29, 30 March 2022
| Literature database |
|---|
| 363 articles sorted by: |
| • year (descending) |
| • research topics |
| • countries/regions |
| • products infested |
| • list of natural enemies |
Source: Clemson University - USDA Cooperative Extension Slide Series - IPM Images
Rhyzopertha dominica (Fabricius, 1792) - (lesser grain borer)
The beetle has a worldwide distribution and is an important pest of stored whole cereal grains. Other stored products may be also attacked, like stored cassava products, nuts, legumes, dried fruits and even dried meat. Grain shipments may be infested and are often responsible for the introduction of the pest into a different area. In addition, the adult is able to fly short distances.
The adult feeds on the grain, but lays its eggs outside the grain. The young larvae bore into the grain and live and pupate inside. Grains with cracks can facilitate the entry of the larvae. The development from egg, through 4 larval stages, to mature adult lasts around 3-4 weeks under favorable conditions. Management involves monitoring stores with pheromone traps. Fumigation is usually applied to light infestations. Advanced infestations need complete removal of the products and careful cleaning of the store.
| Vernacular names | |
|---|---|
| • Deutsch: | Getreidekapuziner |
| • English: | lesser grain borer |
| • Español: | gorgojo de los cereales |
| • Français: | perceur (petit) des céréales capucin des grains |
| • Português: | pequena-broca-dos-grãos |
The adult is 2-3 mm long, dark brown to black. Seen from above, the head is partly or completely hidden by the pronotum which is pitted, with a series of knobs along its front edge. The antenna have 10 segments including a 3-segmented club. The elytra have rows of pits, each with a curved seta.
Synonyms:
Dinoderus pusillus
Rhizopertha dominica
Rhizopertha pusilla
- Other images of Rhyzopertha dominica (IPM images and PaDIL - click to enlarge)
heavily infested grain
mounted adult
mounted adult
details of head
head in side view
tip of elytra
pronotum
