Mesa erythrodira, Boni, 2013

Boni, M., 2013, Afrotropical taxa of the genus Mesa SAUSSURE 1892 (Hymenoptera, Tiphiidae, Myzininae), Linzer biologische Beiträge 45 (2), pp. 1657-1744 : 1694

Mesa erythrodira nov.sp.

H o l o t y p u s: South Africa = / South Africa Mooketsi Feb 17 1968 Krombein & Spangler/ USNM.

figs 194-197 . Body size = mm. 13 mm.

Black. The whole N 1 is ferruginous. Wings hyaline.

Close to ( M. capitata ) it differs in: - red coloration limited to pronotal disk (extended to Sc 1 and Sc 2), - different shape of the head in frontal and dorsal aspect, - lacking of stripe of numerous micro p on vertex along cOc (present), - stouter basal three maxillary palps, - less high and definite, completely p pronotal plate, - broadly rounded angle between it and N 1 disk, - finer and weaker wrinkles on its posteroventral corner, - larger (ratio LA/A about 2.2; in M. capitata about 2.5) and flat (swollen) postscutellar area, - coarser discal and posterior areas of P, - hyaline wings (darkened), - scopa on basal hind tarsomerus, - weaker and shorter longitudinal wrinkles on 7 th tergum.

Derivatio nominis. From the Greek words İȡȣșȡȩȢ = red and įeȚȡȒ = neck.

Figures

Figs 194-197: Mesa erythrodira: (194) habitus; (195) pronotum, lateral aspect; (196) basal hindtarsomerus; (197) epipygium. Figs 198-200: Mesa hyloides: (198) habitus; (199) head, frontal aspect; (200) basal hind tarsomerus; (194, 198: scale bar: 5 mm; 199, 200: scale bar: 2 mm; 195, 197: scale bar: 1mm; 196: scale bar: 0.5mm).