Aulacidae of the southwestern United States, Mexico, and Central America (Hymenoptera) Author Smith, David R. text Beiträge Zur Entomologie = Contributions to Entomology 2008 2008-11-15 58 2 267 355 https://www.contributions-to-entomology.org/article/view/1731 journal article 10.21248/contrib.entomol.58.2.267-355 0005-805X 5364480 959C00C8-C510-47C0-9ABB-0D8712B3E6BD Aulacus costaricensis SMITH , new species ( Figs 18-21 ) Diagnosis: Entirely black, only tarsi mostly whitish; forewing apex black. Head shining, no discernable punctures; mesoscutum shining, with coarse transverse carinae which are stronger posteriorly, but few punctures. Hind coxa smooth, shining. Female: Length, 11.0 mm; forewing length, 9.0 mm; ovipositor length 13.0 mm. Color : Black. Tarsi mostly whitish. Wings hyaline, veins and stigma black; apex of forewing black. Ovipositor sheath with white band. Head : Antennal length 3.3X head width. Lower interocular distance subequal to eye height; malar space 0.3X eye height ( Fig. 18 ). In dorsal view, narrowing behind eyes, about 0.6X eye length ( Fig. 19 ). Head smooth and shining with fine white pubescence, pubescence densest in lower inner orbits and malar area; gena and vertex practically impunctate; frons punctate, punctures almost contiguous ( Figs 18, 19 ). Mesosoma : Propleuron smooth, shining, almost impunctate. Mesoscutal middle lobe with few punctures and transverse carinae; mesoscutal lateral lobes shining, inner margins with transverse carinae; notauli meeting posteriorly anterior to transscutal articulation ( Fig. 21 ); axillae punctate; mesoscutellum punctate with few transverse carinae at center; pronotum finely punctate with anterior margin, diagonal line, and line perpendicular to diagonal line reticulate; mesopleuron, metapleuron, and propodeum mostly reticulate with posterior margin of mesopleuron narrowly scrobiculate ( Figs 20, 21 ). Hind coxa smooth and shining, 2.1X longer than broad; diagonal ovipositor groove at center on inner surface. Hind basitarsus 1.1X length of remaining tarsal segments combined. Metasoma : Smooth, shining, with fine white pubescence on segments 6 to apex. Ovipositor length 1.4X forewing length. Figs 18-21: Aulacus costaricensis . 18 Head, front. 19 Head, dorsal. 20 Mesosoma , lateral. 21 Mesosoma dorsal. Male: Length, 12.5 mm ; forewing length, 10.5 mm . Color and structure similar to female. Types: Holotype : Female, labeled “Fca. Cafrosa, 1300 m , Est. Las Mellizas, P. Intgernac. La Amistad , Prov. Punt., Costa Rica, M. Ramirez , Jun 1991 , L-S-316100, 596100” and “Costa Rica INBIO CRI000 604300” ( INBio ) (Fca.” = Finca ). Paratype : COSTA RICA : Puntarenas : Monteverde , 18-24 July 1990 , coll. G. C. Snelling ( 1 ♂ , LACM ) . Other specimen: Costa Rica , Prov. Puntarenas , Monte Verde area , 13-1700 m , 10°18'N , 84°48'W , 4-9.vi-1983 , F. T. Hovore ( 1 ♀ , CHAH ) . Etymology: Named for Costa Rica , the country of collection. Remarks: The holotype and paratype have most of the hind tarsus white. The other specimen has the hind tarsus black, and I prefer not to include it in the type series although all other features are identical to the types.