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Key to Euryophion species

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera;  Superfamily: Ichneumonoidea; Family: Ichneumonidae; Subfamily: Ophioninae)

ClassificationIdentification keys (after Gauld & Mitchell, 1978)

1. Maxillary palpi 4-segmented; tergite 2 of metasoma with epipleuron pendant (Fig. a) …2

 

Maxillary palpi 5-segmented; tergite 2 of metasoma usually with epipleuron folded under (Fig. A), except in one species ... 3

 

2. Lower face transverse 1.05-1.10 times as broad as long; wings blackish; alitrunk red-brown; inter-ocellar area concolorous with vertex ... Euryophion nigripennis Cameron

 

Lower face subquadrate, 0.90-1.00 times as broad as long; wings yellowish or hyaline; alitrunk orange; inter-ocellar area black ... Euryophion latipennis (Kirby)

 

3. Inner edge of inner hind tibial spur with a fringe of long macrotrichia (Fig. a); tergite 2 of metasoma with epipleuron pendant (Fig. b) ... Euryophion meridionalis (Morley)

 

Inner edge of inner hind tibial spur without a fringe of long macrotrichia, at most with a band of short stout hairs (Fig. A); tergite 2 of metasoma with epipleuron folded under (Fig. B) ... 4

 

4. Notauli strongly impressed on anterior 0.2 of mesoscutum; inter-ocellar area black, contrasted with remainder of vertex; forewing with cu-a slightly distal to Rs&M ... Euryophion pisinnus Gauld & Mitchell

 

Notauli vestigial; inter-ocellar area reddish-brown, concolorous with remainder of vertex; forewing with cu-a opposite or proximal to Rs&M ... 5

 

5. Hindwing with Rs rather weakly and evenly curved (Fig. a); forewing with Rs+2r sinuate, curved to join pterostigma; CI = 0.15-0.25 (Fig. b) ... Euryophion variegatus Gauld & Mitchell

 

Hindwing with Rs strongly and abruptly curved (Fig. A); forewing with Rs+2r abruptly curved to join pterostigma after weak geniculation; CI = 0.30-0.36 (Fig. B) ... Euryophion adustus (Townes)

References

Gauld, I.D. & Mitchell, P.A. 1978. The taxonomy, distribution and host preferences of African parasitic wasps of the subfamily Ophioninae (Hymenoptera, Ichneumonidae). Commonwealth Institute of Entomology, Slough, England, 287 pp.

Rousse, P. & van Noort, S. 2014. Afrotropical Ophioninae (Hymenoptera, Ichneumonidae): an update of Gauld & Mitchell's revision, including two new species and an interactive matrix identification key. ZooKeys 456: 59–73. doi:10.3897/zookeys.456.8140

Credits

Photographs © Simon van Noort (Iziko South African Museum)


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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