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 obscurifrons Cui and Marshall , new species ( Figs. 164–170 ) As described for Robustagramma altifrons except as follows. Body length 1.2–1.3 mm . General color dark brown, without vittae on scutum. Face, gena, antenna and lower frons dark brown. Frontal vitta between interfrontal plates indistinctly protuberant. Interfrontal bristles small, in 3 pairs in addition of a pair of interfrontal setulae. Postvertical bristles parallel or slightly divergent. Eye height ca . 2.2–2.5 times genal height. Aristal hairs ca . 2.5 times basal width of arista. Maximum width of palpus 0.29 times length of palpus. Preapical palpal bristles slightly longer than maximum width of palpus. Length of second costal sector ca . 0.43–0.56X length of third. Discal cell with a very short stump vein CuA 1 , shorter than two vein widths. Mid femur of male with 2 or 3 ventral proximal bristles. Male terminalia: Dorsomedial length of epandrium ca . 0.3X length of sternite 8. Surstylus rounded apically, with a bare anterior lobe. Cercus similar in length to surstylus. Female terminalia: Tergite 10 with two small bristles, without small setulae. Sternite 7 rounded posteriorly; sternite 10 setulose posteromedially. Holotype ( ♂ , DEBU ) and paratype ( 2 ♀ , DEBU ): HONDURAS : Francisco Morazán . 6 km SE Zamorano , 7.vi.1994 , dung trap , H. Howden. Other paratype : MEXICO : Jalisco , 9.5 mi. SW Autlan , 4300ft. , tropical subdec., human dung, 12–20.ix.1971 , A. Newton ( 1 ♀ , DEBU ) . Etymology: The specific epithet refers to the dull brown frons.