Euscelidia marion (Walker, 1849)  

Head: black; face yellow pruinose, facial gibbosity indistinct, mystax white, many macrosetae; ocellar tubercle white pruinose dorsally; occiput silver pruinose, setae white
Antennae: scape brown, white setae ventrally; pedicel brown, white or brown setae ventrally and dorsally, white pruinose; postpedicel brown, white pruinose; apical 'seta-like' sensory element hyaline
Thorax: black; scutum predominantly apruinose, margins silver pruinose, many white and yellow setae scattered on surface, macrosetae: black, 1 notopeural seta, 1 supra-alar seta; scutellar silver pruinose, discal scutellar setae and scutellar setae long, yellow
Legs: yellow to brown; prothoracic and mesothoracic femora yellow proximally, brown distad, metathoracic femora pale yellow proximally, distal half clubbed, brown and orange; prothoracic and mesothoracic tibiae brown, yellow stripe anteriorly, metathoracic tibiae yellow proximally, remaining part brown, pale yellow stripe not reaching tip anteriorly; empodium minute
Wings: densely covered with microtrichiae, cell c, sc, proximal half of r1, and br dark brown, remaining cells light brown; pterostigma distinct, brown; discal cell terminating in 2 veins; halteres yellow
Abdomen: brown; tergites predominantly brown pruinose, anterior and posterior margins grey pruinose, T1 with black setae, T2 in proximal half with white setae laterally, remaining tergites with white or brown setae, sternites grey pruinose
Male terminalia: surstylus pointed distally, lobe ventrally; hypandrium bent upwards; dorsal aedeagal sheath short, lateral processes of dorsal aedeagal sheath extending gonopore; lateral apodeme simple.