Systematics of Robustagramma, a new genus of New World Sphaeroceridae (Diptera) Author Marshall, Stephen A. Author Cui, Yongsheng text Zootaxa 2005 2005-07-29 1026 1 1 122 https://biotaxa.org/Zootaxa/article/view/zootaxa.1026.1.1 journal article 10.11646/zootaxa.1026.1.1 1175­5334 5049813 3EDC6787-C73B-4969-BA06-022D0532364F Robustagramma altifrons group Diagnosis: Frontal vitta between interfrontal plates usually protuberant gradually from posterior to anterior. Lower frons usually orange to reddish yellow. Face with central ridge between antennae always conspicuously narrower than width of scape. Wing inconspicuously pigmented, with two transverse clear bands beyond intersection of R 2+3 and costa. Sternite 5 of male with 6–8 short, stout bristles on borderline between dark anterior portion and pale posteromedial portion. Spermatheca with distal portion cylindrical to rounded, larger than basal portion.