Heptagonatocerus, Huber, 2015

Huber, John T., Read, Jennifer D. & Triapitsyn, Serguei V., 2021, Illustrated key to the genera and catalogue of Mymaridae (Hymenoptera) in the Afrotropical region, Zootaxa 5036 (1), pp. 1-166 : 31

HEPTAGONATOCERUS Huber, 2015

( Figs 157–162 )

Heptagonatocerus Huber, 2015: 33 . Type species: Heptagonatocerus pulchellus Huber , by original designation.

Diagnosis. Heptagonatocerus is distinguished from other members in the group by the following combination: face without subantennal sulci ( Fig. 157 ); female antenna with funicle 7-segmented, and fu 7 wider than long and distinctly shorter than fu 6 ( Fig. 158 ); propodeum with two short submedian carinae arising on side of petiole and usually also a median longitudinal carina ( Fig. 161 ). Male antenna with basal flagellomeres fairly wide ( Fig. 158 ).

Discussion. Heptagonatocerus belongs to the Gonatocerus group of genera, treated formally as Gonatocerini by Huber (2015). In the Afrotropical region the group also includes Cosmocomopsis , Gonatocerus , Lymaenon , Octomicromeris , Tanyxiphium and Zeyanus . The reduced number of funicle segments occurs also in females of a few species of Lymaenon .

Afrotropical hosts. Unknown.

Important reference. Huber (2015).

Figures

FIGURES 157–160. Heptagonatocerus madagascarensis Huber, holotype. 157, head, anterior; 158, antenna; 159, male antenna; 160, wings. Scale bars: 157 = 100 μm; 158–160 = 200 μm.

FIGURES 161, 162. Heptagonatocerus madagascarensis Huber, holotype. 161, mesosoma, dorsal; 162a, metasoma, dorsal; 162b, genitalia seen through gaster. Scale bars: 161, 162a = 200 μm; 162b = 100 μm.