Cerchysius
Westwood, 1832
Cerchysius is a of in the Encyrtidae, established by Westwood in 1832. in this genus are known to attack scale insects (Coccoidea), serving as agents. The genus is represented in major entomological collections including the UCR Encyrtidae holdings, which contains multiple Cerchysius species. Cerchysius species have been recorded from Brazil, Denmark, and New Caledonia.
Pronunciation
How to pronounce Cerchysius: //kɛrˈkɪsiəs//
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Identification
Cerchysius can be distinguished from the related Cerchysiella by differences in scutellar and wing venation. -level identification typically requires examination of slide-mounted specimens focusing on antennal structure, mesoscutal , and genitalia.
Images
Distribution
Brazil; Denmark; New Caledonia.
Host Associations
Ecological Role
of scale insects (Coccoidea), contributing to natural of these plant pests.
Human Relevance
in this have been utilized in programs targeting insect pests. The UCR Encyrtidae collection contains voucher specimens from historical biological control projects conducted by California entomologists.
Similar Taxa
- CerchysiellaSimilar and shared associations with scale insects; distinguished by scutellar and wing characters
- AphycusBoth are Encyrtidae parasitizing Coccoidea; differ in antennal structure and mesoscutal features
More Details
Taxonomic Status
The Cerchysius was established by Westwood in 1832. The UCR Encyrtidae collection lists Cerchysius marilandicus (Girault), C. subplanus (Dalman), and C. ugandensis Kerrich among its holdings.
Collection Records
GBIF distribution records indicate presence in Brazil (BR), Denmark (DK), and New Caledonia (NC).