Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 83. (Budapest 1991)

Papp, L.: Notes on the genus Richardsia L. Papp (Diptera, Sphaeroceridae)

Head 1/ postocular setae in two rows; 212 pairs of fronto-orbital setae; 3/ frons completely dark; 4/ frons pruinose on frontal triangle, on orbits and on the two narrow interfrontal lines; 5/ anterior edge of frons bare; 6/ genal seta developed but not as strongly as in Crwnomyia; 7/ gena pruinose on postgena and on a narrow moderately wider peristomal stripe; 8/ face mostly bare; 91 eyes normal; - ocellar seta lateral to line from median to posterior ocellus; Thorax 10/ humeral calli pruinose; 11/only 1 humeral macroseta; 12/ scutum completely pruinose; and 13/density even; 14/only 1 pair of dorsocentral macrosetae; 15/ prescutellar pair short but distinct; 16/ acrostichals in 4 (most anteriorly 6) rows; 18/scutellum pruinose; 19/ only 2 pairs of marginal scutellar setae; 20/ proepisternum pruinose; 21/ anepisternum: bare area of moderate size, ca. to the middle of anepisternum (see Fig. 49 of Papp 1973); 22/ katepisternum setose but no long macroseta; 23-24/katepisternal setae rather numerous, also on ventral half; 25/ anepimeron pruinose; 26/ meron nearly completely pruinose; 27/ meron without median vertical bare area; Wings 28/ wings not reduced; 29/ wings unicolorous; - costal vein on the second costal section extremely thick (Fig. 46 of PAPP 1973), basally with a moderately long bristle, subbasally with a pair of bristles: lateral one shorter (exclinate) medial one extremely long (inclinate), longer than dc bristle, similarly to the one in the species of Achaetothorar, Legs 30/ tibiae and femora all dark grey; 31/ pruinosity: bare areas small; 32/ male femora and tibiae without long fine setae; 33/ only 1 anterodorsal macroseta on mid tibia; 34/ hind tibia with very long anteroventral seta; 35/ male fore basitarsus with a rather long apical spur ventrally; 36/ male hind basitarsal spur absent; - dorsal preapical on hind tibia very long, longer than basitarsus, nearly as long as basitarsus and 2nd tarsomere combined; Abdomen 37/ abdominal terga pruinose; 38/ male abdomen normal (in size and width); 39/ female sternites less than 1/5 as wide as T3; 40/ female preabdominal sterna moderately sclerotized; 41/ syntergite (Tl +2) nearly flat medially;