_Male._ Dark green, very minutely punctured. Head black, whitish about the eyes, ferruginous towards the epistoma; antennae piceous, reddish towards the base; third joint linear, very long, arista bare; abdomen linear, compressed, with a testaceous spot on each side before the middle; legs black, femora tawny towards the tips, hind tarsi tawny at the base; wings slightly greyish, blackish along the costa and at the tips, and about the transverse veins; veins black, tawny at the base; discal transverse vein straight, oblique, parted by about half its length from the border, and by a little more than its length from the praebrachial transverse; halteres white. Length of the body 4 lines; of the wings 7 lines. 136. DACUS POMPILOIDES, n. s. _Mas._ Niger; capite albido, epistomate ferrugineo; antennis piceis basi rufis, articulo tertio longo lineari; abdomine nigro-cyaneo; pedibus piceis; alis subcinereis, striga costali basali, fascia tenui postice abbreviata et triente apicali strigam subcineream includente nigricantibus; halteribus albis. _Male._ Black. Head with whitish tomentum, epistoma ferruginous, prominent; antennae piceous, red at the base, third joint long, linear, arista bare; abdomen linear, blackish blue, longer than the thorax; legs piceous; wings slightly greyish, with a blackish costal streak extending from the base, with a slender blackish band which is abbreviated hindward, and with more than one-third of the apical part blackish and including a slightly greyish streak; veins black, discal transverse vein straight, oblique, parted by a little less than its length from the border and by about its length from the praebrachial transverse; halteres white. Length of the body 3-1/2 lines; of the wings 6 lines. Gen. BREA, n. g. Platystomae affinis. _Facies_ lata. _Antennae_ breves; articulus tertius longiconicus; arista nuda. _Femora_ intermedia incrassata, denticulata. Allied to _Platystoma_. Face broad; antennae short, third joint elongate-conical; arista bare; middle femora incrassated, denticulated beneath. 137. BREA DISCALIS, n. s. _Mas_. Nigra; capite testaceo apud oculos albido, fronte ochracea; antennis piceis basi rufescentibus; thorace vitta lata cana; abdomine fulvo, disco nigro cupreo; pedibus fulvis, femoribus anticis apice tibiisque anticis basi nigris; alis sublimpidis, fascia media lata postice abbreviata guttam limpidam subcostalem includente lineaque transversa exteriore nigricantibus; halteribus testaceis.