Heterospilus riveroni, Chiletto, Bo. & Penteado-Dias, Am., 2016

Chiletto, Bo. & Penteado-Dias, Am., 2016, Fourteen new species of Heterospilus Haliday (Hymenoptera, Braconidae: Doryctinae) from Brazil, Zootaxa 4144 (3), pp. 316-334: 330-331

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Heterospilus riveroni

sp. n.

Heterospilus riveroni  sp. n.

( Figs 48–52View FIGURES 48 – 52)

Female. Body length: 3 mm.

Colour: head entirely black, palpi yellow, scape brown; mesosoma black; metasoma entirely dark brown to black; wing veins and stigma dark brown; all legs yellow.

Head: vertex, frons and face smooth; malar space greater than ¼ eye height; temple shape broad, width shorter than ½ eye width; ocell-ocular distance 2.5 times greater than diameter of lateral ocellus.

Mesosoma : mesopleuron  smooth, precoxal sulcus smooth, shorter than width of mesopleuron  ; mesoscutum lobes weakly granulate and hairy just along notauli; notauli smooth meeting before prescutellar furrow in triangular costate area; prescutellar furrow with one cross carina; scutellum smooth; propodeum with basal median areas distinct and margined, basal median areas weakly granulate, basal median carina present, areolar margin distinct, areolar area areolate-rugose, lateral areas entirely rugose, mesosternum smooth. Fore wing: vein r shorter than vein 3 RSa, vein 1cu-a beyond vein 1M, stigma wider than length of vein r. Hind wing: vein SC+R present, length of vein M+CU shorter than vein 1M. 

Metasoma: first tergum costate, apical width equal length; second tergum costate, apical width three times length; third tergum costate with smooth apex; terga II+III with anterior transverse groove present and straight; posterior transverse groove absent; terga IV –VII smooth; ovipositor equal to length of metasoma.

Material examined. Holotype (DCBU-34590); female, Brazil, SP, Pontal, Usina Bela Vista, semidecidous mesophilic forest, 14.IV.2010, Malaise traps; I.F. Melo col. 

Comments. This species is distinguished by the mesopleuron  and scutellum smooth, mesoscutum lobes weakly granulate and the basal median areas weakly granulate.

Etymology. This species is named in honour of the entomologist Alejandro Zaldívar-Riverón.