Methocha robusta
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Ordo: Hymenoptera
Familia: Tiphiidae
Genus: Methocha
Name
Methocha robusta Kimsey, 2011 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Holotype male:
Fianarantsoa Prov., Parc Natl. Ranomafana, radio tower at forest edge, 1130 m 14–21/i/2002, 21°15'05S, 47°24'43E, R. Harin’Hala, malaise, mixed tropical forest, MA-02-09B-12 (SAN FRANCISCO).
Paratypes
(4 males): 1 male: 15–27/iv/2003, MA-02-09B-58; 1 male: Belle Vue at Talatakely, 1020 m, 10–14/i/2002, 21°15'99S, 47°25'21E, R. Harin’Hala, malaise, secondary tropical forest, MA-02-09C-11; 1 male: 23/v–3/vi/2002, 21°15'99S, 47°25'21E, R. Harin’Hala, malaise, secondary tropical forest, MA-02-09C-30; 1 male: Toamasina Prov., botanic garden nr entrance to Andasibe Natl. Park, 1–7/xi/2001, 18°55'58S, 48°24'47E, R. Harin’Hala, MT-tropical forest ,1025 m, MA-01-08B-18 (DAVIS, SAN FRANCISCO).
Diagnosis
Methocha robusta is one of two species with a medial depressed pronotal disk. It can be distinguished from the other species, Methocha depressa, by the frons concave between the antennal lobes and the strongly convex clypeus. In addition, the pronotal depression lacks the longitudinal medial elevation seen in Methocha depressa.
Description
Male.
Body length. 10–13 mm.
Head. Clypeus elevated medially into two broad submedial tubercles (Fig. 17) strongly convex in profile (Fig. 14), apex emarginate, with densely shagreened patch on either side of emargination (Fig. 17); antennal lobes elevated with obtuse depression between; frons without medial projection or lobe above antennal sockets; frons and vertex punctures separated by 1 puncture diameters, becoming nearly impunctate behind ocelli; scapal ridge half scapal length; flagellomere I 2.5× as long as broad; flagellomere II 3× as long as broad; flagellomeres III–X arcuate; flagellomere XI 7–8× as long as broad.
Mesosoma. Pronotal disk transversely depressed medially, anterior margin elevated in lateral view, shoulders angulate (Fig. 19); scutal and mesopleural punctures separated by 1 puncture diameter; scutellar punctation sparser, 2–3 puncture diameters apart; propodeum completely coarsely areolate.
Metasoma. Terga polished, punctures small separated by 2–4 puncture diameters; sterna I and VI with punctures large, 0.5–1.0 puncture diameters apart; sterna II–V basal area with punctures 0.5–1.0 puncture diameters apart, separated from convex posterior part by punctulate groove, posterior part with punctures tiny and 2–4 puncture diameters apart.
Genitalia (Fig. 29). Paramere breadth at medial angle 2.5× breadth at halfway point between apex and medial angle, paramere length versus breadth at submedial angle 4.7×.
Coloration. Black, mandibles, scapal carina and palpi red; parategula black, legs black to dark brown fore; wing membrane untinted.
Vestiture. Sparse erect, silvery.
Original Description
- Kimsey, L; 2011: Tiphiidae wasps of Madagascar (Hymenoptera, Tiphiidae) of hymenoptera research/ Journal of Hymenoptera Research, 22: 45-68. doi
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