Chalybion ohli DOLLFUSS, 2016

Epeletier, 2016, The Chloriontinae, Sceliphrinae and Sphecinae Wasps of the " Biologiezentrum Linz " - Collection in Linz, Austria including the Genera Chalybion DAHLBOM, Chlorion LATREILLE, Dynatus LEPELETIER de SAINT FARGEAU, Penepodium MENKE, Podium FABRICIUS, Sceliphron KLUG, Stangeella MENKE and Trigonopsis, Linzer biologische Beiträge 48 (2), pp. 1149-1185 : 1160-1162

Chalybion ohli DOLLFUSS nov. sp. (3 66)

R e c o r d s: Holotype: 6, Madagascar, Andasibe env., 25.XI.1999, leg. J. Halada. Paratypes: 266, same locality.

N a m e d e r i v a t i o n: In honor of the outstanding specialist of Sphecidae Dr. Michael Ohl , Museum für Naturkunde Berlin, Germany.

R e c o g n i t i o n: Tarsi with plantulae; erect setae on head and mesothorax white. Supra-antennal plate ventrally not delimited by a transverse carina which runs along and between the antennal sockets. Tarsal claws without basal tooth. Eight sternum truncate ( Fig. 9 ) and penis valve with teeth along ventral margin ( Fig. 7 ). The male of Ch. ohli differs from Ch. madegassum in havingthe supra-antennal plate ventrally not delimited by a transverse carina and the eight sternum is truncate ( Fig. 9 ) ( Ch. madecassum has the supra-antennal plate ventrally delimited by a transverse carina and the sternum VIII is slender with an apical process ( HENSEN 1988: 26, Fig. 37)). The male of Ch. ohli differs from Ch. bonneti in having the sternum VIII not so broadly truncate ( Fig. 9 ) and the penis valve has teeth along ventral margin ( Fig. 7 ) ( Ch. bonneti has the sternum VIII more broadly truncate ( HENSEN 1988: 26, Fig. 33) and the penis valve has no teeth along ventral margin).

D e s c r i p t i o n: Body length 16.5-17.5 mm, length of forewing 12-13 mm. Integument blue, mandible reddish-brown, antennae black, wings subhyaline. Occipital carina with complete circle, separated from hypostomal carina. Clypeus with three lobes ( Fig. 8 ), medial lobe distinctly broader than lateral ones. Antennae with tyloidea on flagellomere VII – IX. Frons densely coarsely punctate, supra-antennal plate ventrally not delimited by transverse carina. Pronotal collar coarsely punctate, medially impressed, short ( Figs 4, 5 ). Scutum, scutellum, metanotum, mesopleuron and metapleuron coarsely densely punctate. Metapleuron sunken below level of mesopleuron and side of propodeum. Propodeal dorsum coarsely punctate to reticulate. Tarsal claws without basal tooth, tarsi with plantulae. Petiole as long as hindbasitarsus, slightly curved. Sternum VIII truncate ( Fig. 9 ), penis valve with teeth along ventral margin ( Fig. 7 ). Gonostyle in lateral view see Fig. 6 .

♀ unknown.

Figures

Figs 4-11: Chalybion ohli 6: (4) pronotal collar dorsal, (5) pronotal collar lateral, (6) gonostyle lateral, (7) penis valve lateral, (8) clypeus, (9) sternum VIII. Chalybion sommereni 6: (10) sternum VIII, (11) penis valve lateral.