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Key to Afrotropical genera of Amiseginae

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera;  Superfamily: Chrysidoidea; Family: Chrysididae; Subfamily: Amiseginae)

ClassificationIdentification keys


1Wings well developed 2

 

- Wingless or wings small and subequal in size to tegula ...3

 


2. Body and legs metallic blue; pronotum dorso-ventrally flattened   Anachrysis Krombein

 

 

- Body matt black, legs yellow; pronotum normal   New genus

 


3. Propodeum with posterolateral slender spines Mahinda Krombein

 

- Propodeum without spines ...4

 


4. Abdomen petiolate, petiole formed by constriction of anterior one-quarter to one-sixth of segment 1 ...5

 

- Abdomen sessile 6

 


5. Abdominal petiole one-sixth as long as whole segment I; without macrochaetae on head and mesosoma; pronotum not unusually thickened posteriorly; propodeum with 2 decumbent submedial teeth on posterior margin Leptosega Krombein

 

- Abdominal petiole one-quarter as long as segment I; with macrochaetae on head and thorax; pronotal posterior margin thickened; propodeum simple posteriorly Afrosega Krombein

 


6. Dorsal mesosoma with confluent punctures arranged in longitudinal rows; apical margin of metanotum not extending to apex of dorsal mesosoma, the propodeum with a definite dorsal surface along midline; femora beneath and tibiae above with long, erect scattered setae; upper part of head with coarse, confluent punctures Alieniscus Benoit

 

- Dorsal mesosoma with small scattered punctures, or finely lineate; apex of metanotum medially coinciding with apex of dorsal mesosoma, the propodeum without a dorsal surface along midline; femora beneath and tibiae above without erect setae; upper part of head with small separated punctures 7

 


7. Flagellum short and fusiform; pronotal length medially 2.0-2.5X metanotal length; scapal basin with a few strong transverse rugae; dorsal mesosoma finely and closely longitudinally lineate Reidia Krombein

 

- Flagellum filiform; pronotal length medially less than 1.5X metanotal length; scapal basin with numerous arched transverse ridges; dorsal mesosoma with fine shagreening and scattered fine punctures Obenbergerella  Bridwell

 


References

Kimsey, L.S. & Bohart, R.M. 1990. The Chrysidid wasps of the world. Oxford University Press, Oxford, 652 pp.

Krombein, K.V. 1983. Three New Egg Parasites of South African Walking Sticks (Hymenoptera: Chrysididae, Amiseginae). Journal of the Entomological Society of South Africa 46: 139-146.

Krombein, K.V. 1984. Two New Egg Parasites of South African walking sticks and notes on two previously described species (Hymenoptera: Chrysididae, Amiseginae). Journal of the Entomological Society of South Africa 47: 211-215.

Krombein, K.V. 1986. A remarkable new African amisegine wasp (Hymenoptera: Chrysididae: Amiseginae). Proceedings of the Entomological Society of Washington 88: 509-514.

Krombein, K.V. 1994. A new Anachrysis from South Africa (Hymenoptera: Chrysididae: Amiseginae). Proceedings of the Entomological Society of Washington 96: 339-341.

Credits

Photographs Simon van Noort (Iziko Museums of South Africa).


Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2021. WaspWeb: Hymenoptera of the Afrotropical region. URL: www.waspweb.org (accessed on <day/month/year>).

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