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Hemadas Crawford, 1909 |
Distribution
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Nearctic (Canada, USA).
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Biology
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Hemadas nubilipennis (Ashmead) 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).
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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. In press. Redefining Ormyridae (Hymenoptera, Chalcidoidea) with establishment of subfamilies and description of new genera. Systematic Entomology
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Credits
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Photographs and map illustration © Simon van Noort (Iziko Museums
of South Africa).
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