Family Stephanidae - Crown Wasps

Classification · Other Common Names · Explanation of Names · Numbers · Size · Identification · Range · Habitat · Food · Print References · Works Cited

Stephanid wasp - Megischus bicolor - female

Megischus bicolor? - Megischus bicolor - female

NL. No. 8 Ichneumon sp.? - Megischus bicolor

Ichneumonidae sp.? - Megischus bicolor - female

Megischus, filtered from laurel sumac leaf litter. - Megischus

Mating Stephanids - Schlettererius cinctipes - male - female

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Hymenoptera (Ants, Bees, Wasps and Sawflies)

No Taxon ("Parasitica" - Parasitoid Wasps)

Superfamily Stephanoidea

Family Stephanidae (Crown Wasps)

Other Common Names

Crown-of-thorns Wasps

Stephanid Wasps

Explanation of Names

Stephanidae Leach 1815

from Greek στέφανος (stéphanos) 'crown or wreath' (lit. 'that which encircles') (referring to the semicircle of pointy tubercles on the head thought to resemble the stéphanos crown)

The stéphanos specifically refers to the bent laurel wreath, which would vary from a semicircle to completely encircling the head. These were given to represent victory or esteem. As such, the stéphanos was heavily associated with being a prize in the Greek athletic games. The stéphanos is in contrast to the crown of royalty, represented in Greek as διάδημα (diádēma), which formed a more complete circle around the head.

Numbers

8 spp. in 2 genera in our area(1), >340 spp. in 11 genera worldwide(2)

Size

5-19 mm

Identification

Slender antennae, 30 or more segments. Head has crown of teeth around median ocellus. Long ovipositor. Most associated with pines, seldom seen.

Range

transcontinental, most diverse in western and southern; only two spp. (both in Megischus) are found in the east(1)

Habitat

Forests

Food

hosts: wood-boring beetles and horntails(1)

Print References

Townes H. (1949) The Nearctic species of the family Stephanidae (Hymenoptera). Proceedings of the United States National Museum 99: 361-371.

A.P. Aguiar and N.F. Johnson (2003) Stephanidae (Hymenoptera) of America North of Mexico (1)

Works Cited

1.	Stephanidae (Hymenoptera) of America North of Mexico A.P. Aguiar and N.F. Johnson. 2003. Proceedings of the Entomological Society of Washington 105(2):467-483.

2.	Order Hymenoptera. In: Zhang Z-Q (ed) Animal biodiversity: An outline of higher-level classif. and survey of taxonomic richness Aguiar AP, Deans AR, Engel MS, Forshage M, Huber JT, Jennings JT, Johnson NF, Lelej AS, Longino JT, Lohrmann V, Mikó I, Ohl M. 2013. Zootaxa 3703: 51–62.

Contributed by Cotinis on 8 July, 2004 - 2:59pm
Additional contributions by v belov, PaleoJon, Arturo Santos, Nathaniel Green
Last updated 8 September, 2022 - 2:11pm

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