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TaxonomyBrowse
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Genus Enicospilus

Ichneumon Wasp - Enicospilus Short-tailed Ichneumon Wasp - Enicospilus - female Don't know where to start - Enicospilus purgatus Large Ophion? - Enicospilus - female Ichneumon Wasp - Enicospilus purgatus Ophion? - Enicospilus Inchneumon - Enicospilus purgatus Ophion? - Enicospilus
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 Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Ichneumonidae (Ichneumonid Wasps)
Subfamily Ophioninae (Short-tailed Ichneumonid Wasps)
Genus Enicospilus
Synonyms and other taxonomic changes
Henicospilus Agassiz 1846 (unjustified emendation)
Explanation of Names
Enicospilus Stephens 1835
from the Ancient Greek ἑνικός, henicos ('single') + σπῖλος, spilus ('spot')
Numbers
23 spp. in our area(1), 7 of which form the americanus complex; ~700 described species total.
1. Enicospilus aktites Gauld, 1988 (south Florida)
2. Enicospilus americanus (Christ, 1791)
3. Enicospilus appendiculatus Felt, 1902
4. Enicospilus arcuatus (Felt, 1902)
5. Enicospilus bifoveolatus Brulle, 1846
6. Enicospilus cubensis (Norton, 1863)
7. Enicospilus cushmani Gauld, 1988 (eastern North America)
8. Enicospilus flavostigma Hooker, 1912
9. Enicospilus flavus Fabricius, 1775
10. Enicospilus glabratus (Say, 1836)
11. Enicospilus guatemalensis (Cameron, 1886)
12. Enicospilus lebophagus Gauld, 1988 (south Texas)
13. Enicospilus merdarius Gravenhorst, 1829
14. Enicospilus peigleri Gauld, 1988 (southern U.S.)
16. Enicospilus texanus (Ashmead, 1890)
Identification
Some diagnostic characters for genus Enicospilus (cf. key and figures 16 & 25 in Broad(2006), and reference images here) are:
the discosubmarginal cell (horsehead-shaped cell below the leading wing edge) extends beyond vein 2m-cu;
transparent oval (inside discosubmarginal cell) in the otherwise papillate wing [note at least some Enicospilus spp. have two spots in this oval];
adventitious (or "spurious") vein in cell 3Cu, parallel to the wing margin.
       
A (fairly old) key to species of Enicospilus appears on pg. 57 of Hooker(1912).
See Also
Ophion can be superficially similar.
Note the difference in wing venation:
Ophion Enicospilus
Print References
Broad, Gavin (2006). Identification key to the subfamilies of Ichneumonidae (Hymenoptera). Biol. Records Center, CEH Monks Wood, UK. (download as PDF).
Gauld, I.D. (1988). The species of the Enicospilus americanus complex (Hymenoptera: Ichneumonidae) in eastern North America. Systematic Entomology 13:31-53.
Hooker, Charles W. (1912). The Ichneumon flies of America belonging to the tribe Ophionini. Trans. Am. Ent. Soc. 38:1-176. (Full Text)
Internet References