Euscelidia fistula Dikow, 2003  

Head: black; face silver pruinose, facial gibbosity indistinct, mystax white, many macrosetae; proboscis black, setae white, maxillary palpi brown, setae brown; ocellar tubercle apruinose; occiput silver pruinose, setae white and yellowish
Antennae: scape brown, white setae ventrally, white pruinose; pedicel brown, brown setae ventrally and dorsally, white pruinose; postpedicel brown, white pruinose; apical 'seta-like' sensory element brown
Thorax: black; postpronotal peg large, silver pruinose; scutum predominantly apruinose, silver pruinosity restricted to anterior, lateral, and posterior margins (sometimes antero-lateral margin apruinose), white setae on pruinose part, yellow setae scattered on apruinose surface; presutural dorso-central setae sometimes distinct, macrosetae: 1 white or black notopeural seta, 1 black supra-alar seta; scutellum white pruinose, discal scutellar setae and scutellar setae long, yellow or brown
Legs: yellow to brown; femora light brown, metathoracic femora slightly clubbed, pale yellow proximally, narrow longitudinal dark brown to black stripe laterally, setae white; prothoracic and mesothoracic tibiae light brown, pale yellow stripe anteriorly, metathoracic tibiae light brown, pale yellow stripe not reaching tip anteriorly, black longitudinal stripes laterally; tarsomere 1-3 light brown, brown distad, remaining tarsomere brown, setae black; empodium minute
Wings: densely covered with microtrichiae; pterostigma distinct, brown; discal cell terminating in 2 veins; halteres light brown
Abdomen: black; tergites sometimes orange on anterior and posterior margins, predominantly brown pruinose, anterior, lateral, and posterior margins narrowly grey pruinose, T1 with long yellow and brown setae laterally, T2 with white setae laterally, remaining tergites with yellow and brown setae, sternites grey pruinose
Male terminalia: surstylus pointed distally, lobe ventrally; hypandrium bent upwards, divided into 2 short lobes; dorsal aedeagal sheath tubular, medium length; lateral apodeme simple.