Gonatocerus Nees 1834
Creators: name: Triapitsyn, Serguei V.
name: Huber, John T.
name: Logarzo, Guillermo A.
name: Berezovskiy, Vladimir V.
name: Aquino, Daniel A.
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Mymaridae
Gonatocerus

description: Key to subgenera of Gonatocerus (both sexes)
1 Pronotum with lateral lobes usually widely separated by lightly sclerotized median area but, if not divided into lobes (i.e. entire), the pronotum very short and not visible in dorsal view, the head thus closely appressed to mesoscutum; dorsellum more or less strap-shaped ............................................................................................................................ 2
- Pronotum with lateral lobes abutting medially, exceptionally with lobes widely separated by distinct median area [in G. (Gonatocerus) perforator (Ogloblin)] or, if entire [masneri species group of G. (Cosmocomoidea)], the pronotum as long as mesoscutum and clearly visible in dorsal view, the head distinctly separated from mesoscutum; dorsellum rhomboidal or triangular ............................................................................................................................................... 3
2(1) Dorsellum with posterior margin straight (Figs 71, 78); propodeum with flat, usually spiculate median area bordered laterally by fine lines ....................................................................................................G. (Lymaenon Walker) stat. rev.
- Dorsellum with posterior margin slightly sinuate, forming a little median projection (Figs 160, 169, 173); propodeum with median groove ........................................................................ G. (Gahanopsis Ogloblin) syn. & stat. nov.
3(1) Back of head divided by transverse or oblique suture into gena ventrally and occiput dorsally; female gaster more or less (usually strongly) produced anteriorly under mesosoma .....................G. (Gastrogonatocerus Ogloblin) stat. rev.
- Back of head entire or with a round or oval occipital sulcus; female gaster not or rarely slightly produced anteriorly under mesosoma............................................................................................................................................................ 4
4(3) Propodeum usually smooth medially or, occasionally, either with 1 usually faint median carina or 2 incomplete submedian carinae hardly visible as very fine lines, but forewing with setae extending to base of marginal vein ............ ............................................................................................................................... G. (Gonatocerus Nees ab Esenbeck)
- Propodeum usually with at least incomplete submedian carinae, but if rarely almost smooth medially then forewing with setae absent or sparse behind marginal vein ............................................ G. (Cosmocomoidea Howard) stat. rev.
description: Published as part of Triapitsyn, Serguei V., Huber, John T., Logarzo, Guillermo A., Berezovskiy, Vladimir V. & Aquino, Daniel A., 2010, Review of Gonatocerus (Hymenoptera: Mymaridae) in the Neotropical region, with description of eleven new species, pp. 1-243 in Zootaxa 2456 on page 12, DOI: 10.5281/zenodo.894928