Tuberatra, Gadelha & Nunes & Oliveira, 2016

Gadelha, Sian De Souza, Nunes, Juliano Fiorelini & Oliveira, Marcio Luiz De, 2016, New genera, species and records of Doryctinae (Hymenoptera: Braconidae) from Brazil, Zootaxa 4083 (3), pp. 359-370 : 362

Tuberatra n. gen.

Type species. Tuberatra curvicauda n. sp.

Diagnosis. This genus is morphologically similar to Pioscelus Muesebeck & Walkley, 1951 , however, it differs mainly by the absence of two parallel carinae or converging grooves in the second metasomal tergum ( Fig. 2D ), median area of propleuron with a ridge-like swelling in lateral view ( Fig. 2B ); and propodeum with a pair of small lateral spines ( Fig. 2E ).

Description. Body length: 24–28 mm; clypeus smooth and with some setae inserted into punctuations; face smooth; occipital carina present, meeting hypostomal carina; propleuron with a ridge-like swelling in lateral view ( Fig. 2B ); mesoscutum declivous anteriorly; median mesonotal lobe with sharped lateral corners; propodeum with two diverging carinae instead of a straight median carina, lateral carinae present; propodeum basal median areas coriaceous; propodeal areola rugose; propodeum with a pair of small lateral spines ( Fig. 2E ); fore wing r vein equal to 3RSa length; 2RS nebulous, and considered absent; r-m present; first subdiscal cell open at the apex, 2cu-a absent; hind wing M+CU 0.6 length of vein 1M; hind coxa angled at the base but without basal tubercle; first metasomal tergum length twice its apical width; basal sternal plate about 0.4 length of the first tergum; second metasomal tergum striated, without carinae or grooves ( Fig. 2D ); ovipositor smaller than the metasoma.

Distribution. Brazil (State of Amazonas and São Paulo).

Biology. Unknown

Etymology. The genus name is from the Latin tuber and the Latin ater in reference to the propleuron ridge-like swelling and the black color of the specimen.

Figures

FIGURE 2. Tuberatra curvicauda n. sp. (A, B, D and F holotype; C and E paratype) A. lateral habitus; B. lateral view of head and anterior mesosoma, highlighting the ridge-like swelling structure on the propleuron; C. lateral mesosoma; D. dorsal metasoma; E. lateral propodeum, highlighting the propodeal spine; F. dorsal mesoscutum.