Epirhyssa overlaeti Seyrig, 1937
publication ID |
https://doi.org/ 10.5852/ejt.2014.91 |
publication LSID |
lsid:zoobank.org:pub:F6B6E184-448A-44EA-BF1B-D91122097847 |
DOI |
https://doi.org/10.5281/zenodo.3852044 |
persistent identifier |
https://treatment.plazi.org/id/1509C719-C650-4340-FDFC-FEACFB5BC739 |
treatment provided by |
Tatiana |
scientific name |
Epirhyssa overlaeti Seyrig, 1937 |
status |
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Epirhyssa overlaeti Seyrig, 1937 View in CoL
Fig. 7 View Fig
Diagnosis
Overall color mottled, black, yellow and testaceous; wings hyaline, slightly infuscate apically; face transversely striate, nearly flat; clypeus shallowly and sparsely punctate, without subapical tubercle, ventral margin strongly produced laterally; frons smooth, with a sharp mid-longitudinal carina reaching median ocellus and lateral curved carina toward lateral ocellus; antenna with 41–43 flagellomeres; epicnemial carina reaching lower level of speculum; fore wing with 2m–cu opposite rs–m; tergite 1 slender; all tergites nearly to quite smooth, tergites 4–5 finely transversely striate basally; apical margins of tergites 3–6 strongly concave. CT 2.5; ML 0.5; POL 1.3; OOL 1.6; Fl 1 3.9; Fl 15 2.8; Fl 42 1.3; T1 1.7; OT 7.2.
Differential diagnosis
Highly distinctive species of mottled color and large to very large size; otherwise characterized by the combination of the flat and sparsely punctate face, the sharp mid-longitudinal carina on the frons, the absence of a subapical ridge on the clypeus, and the very long ovipositor. No other known Epirhyssa species shares this color pattern.
Material examined
Holotype
DEMOCRATIC REPUBLIC OF CONGO: ♀, Lulua [10°37’ S 24°54’ E], Kapanga, Apr. 1933, F. G. Overlaet, R. Dét. F 3330 ( MRAC). GoogleMaps
Other material
CAMEROON: 1 ♀, Nkoemvon, Jul.-Aug. 1980, Ms. D. Jackson ( BMNH).
Description
Female (2 specimens)
B 25.2–37.8; A 15.4–23.2; F 16.1–24.2.
COLOR. Head yellow with mandible black and lower gena, vertex and upper occiput brownish testaceous; mesosoma black to dark brownish testaceous interspersed with yellow markings: pronotum dorsally and ventrally, mesopleuron anteriorly and posteriorly, and mesoscutum, scutellum, metanotum and propodeum centrally; legs testaceous to dark testaceous with fore and mid coxa yellow; metasoma light to dark testaceous, tergites 1–5 with apico-lateral large yellow spots; antenna and ovipositor sheath dark brown; wings nearly hyaline, apically infuscate, venation dark brown.
HEAD. Face subquadrate, transversely striate and hardly bulging medially; clypeus shallowly and sparsely punctate, without subapical tubercle, ventral margin strongly produced laterally; mandible stout; upper head quite smooth; inner margins of toruli expanded backwards into two converging lamellar carinae, carinae then fused into a sharp mid-longitudinal carina reaching median ocellus; frons also with an additional lateral curved carina from posterior margin of torulus to next to lateral ocellus; occipital carina mid-dorsally interrupted; antenna with 41–43 flagellomeres.
MESOSOMA. Mesosoma shallowly and moderately densely punctate, but mesonotum transversely striate and anterior half of pronotum smooth; epomia indistinct; epicnemial carina reaching lower level of speculum, mesopleural pit indistinct; apex of subtegular ridge convex, not flanged laterally; submetapleural carina moderate and even all along.
WINGS. Fore wing with 2m–cu opposite rs–m, cu–a slightly apical to Rs&M, and Rs short and moderately bowed forwards; hind wing with distal abscissa of Cu joining Cu&cu–a at junction with M.
METASOMA. Tergite 1 moderately slender; all tergites smooth to indistinctly sculptured but tergites 4–5 weakly striate basally; apical margins of tergites 3–6 strongly concave, others straight.
Male
Unknown.
Distribution
Democratic Republic of Congo. New record: Cameroon.
Comments
The species is only known from two female specimens. They exhibit a remarkable variation in size, the BMNH specimen being one third smaller than the impressively large MRAC holotype.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
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Phylum |
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Class |
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Order |
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SubOrder |
Apocrita |
SuperFamily |
Ichneumonoidea |
Family |
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SubFamily |
Rhyssinae |
Genus |