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Hemadas Crawford

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Chalcidoidea; Family: Ormyridae; Subfamily: Hemadinae)

Hemadas Crawford, 1909. Type species: Megorismus nubilipennis Ashmead, 1887.

CLASSIFICATION

Hemadas nubilipennis (Ashmead, 1887)

Distribution

Nearctic (Canada, USA).

Biology

Hemadas nubilipennis is a primary gall former on Vaccinium angustifolium (Ericaceae) (McAlister and Anderson, 1932; Shorthouse et al., 1986; 1990; macKay, 1989; West and Shorthouse, 1989). Hemadas is commonly known as the Blueberry stem gall wasp. Attacked by at least three parasitoid wasps: Ormyrus vacciniicola, Eurytoma solenozophaeriae and Sycophila vacciniicola (latter both Eurytomidae) (Isaacs et al., 2020).

References

Bouček, Z. 1988. Australasian Chalcidoidea (Hymenoptera) – a biosystematic revision of fourteen families, with a reclassification of species. C.A.B. International, Wallingford.

Mayr, G. 1905. Hymenopterologische miszellen. IV. Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien. 1905: 529-575.

van Noort S, Mitroiu M-D, Burks R, Gibson G, Hanson P, Heraty J, Janšta P, Cruaud A, Rasplus J-Y. 2024. Redefining Ormyridae (Hymenoptera, Chalcidoidea) with establishment of subfamilies and description of new genera. Systematic Entomology 49: 447–494. https://doi.org/10.1111/syen.12630 

Credits

Photographs and map illustration © Simon van Noort (Iziko Museums of South Africa).


Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2024. WaspWeb: Hymenoptera of the World. URL: www.waspweb.org (accessed on <day/month/year>).

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