Hendel, Die Arten der Dipteren-Subfamilie Richardilnae. 249 



11. Bichardia elegans Van d. Wulp. 



Yan der Wulp, Biolog. Centr. Amer., Dipt. Vol. 2 p. 386. 3. Taf. X. 



fig. 17 (1899). 

 cf ?, Mexico. 



„Thorax testaceous ; scutellum black : abdomen steel - blue, 

 the first Segment rufous in the cf ; head , antennae and legs 

 yellowish-rufous, the hind femora with a brown ring ; apical spot 

 of the wings large, reaching the end of the second vein. — Length 

 6 mm. 



Front as broad as the eyes , rufous , with white lateral 

 borders ; face and cheeks pale yellow ; occiput rufous. Antennae 

 rufous ; the third Joint elliptical , on the fore side slightly in- 

 fuscated ; arista finely plumose. Proboscis and palpi pale rufous. 

 Thorax greyish-testaceous, with indistinct dorsal stripes ; pleurae, 

 scutellum and metanotum shining black ; a greyish oblique band 

 extends from the Shoulders to the middle coxae , and there is a 

 similarly coloured band above the hind coxae. Abdomen sub- 

 cylindrical {(f) , or ovate and attenuated towards the tip (?), 

 clothed with brown hairs, which are numerous in the male ; the 

 first Segment rufous (less distinctly so in the $) ; the following 

 Segments bright steel - blue , with some violett reflections ; the 

 second segment with long lateral bristles ; ovipositor of the female 

 flattened , pointed , black , rufous towards the tip. Fore coxae 

 pale yellow ; middle and hind coxae shining black. Legs yellowish- 

 rufous ; hind femora with the tip and a ring behind the middle 

 brown ; the base and tip of the tibiae brown ; tarsi infuscated 

 towards the apex ; the femora hairy beneath, the hind pair with 

 Short spines towards the tip ; hind tibiae curved. Kälteres yellow. 

 Wings greyish - hyaline ; the brown median band rather narrow ; 

 the apical spot large , reaching from the end of the second vein 

 to the end of the fourth vein." 



12. Rieh a r d i a pro .v i m a Schiner. 



Schiner, Novara-Dipt. p. 260. 86 (1868). ?. — Bich. sj^ectabilis Schmer, 

 Novara-Dipt. p. 261. 88 (1868). cf- — Hendel, Gen. Rieh. Taf. 2. fig. 38. 



cf ? aus Venezuela. K. K. Hof-Museum in Wien. 



Nach meinen Untersuchungen der S c h i n e r sehen Stücke 

 obiger Arten bin ich zu der Überzeugung gekommen , dafs die- 

 selben einer Art angehören. Die von Schiner bei B. proxima er- 

 wähnten cf stellten sich als zu B. podagrica Fab. gehörig heraus. 



Stirn und Fühler wie bei B. podagrica gefärbt und geformt 

 oder die Stirn ist ausgedehnter rotbraun , so dafs aufser dem 

 schmalen gelben Vorderrand nur noch ein mit demselben nicht 

 immer zusamnienhängender ebensolcher Fleck vor den Ocellen 



