42 Pipunculidae. 



13. P. zermattensis Beck. 



1897. Beck. Berl. Entom. Zeitschr. XLII, 77, 38 et 1900. XLV, 229, 38 

 et 1921. Wien. Ent. Zeitg. XXXVIII, 154. — 1910. Kertész, Cat. Dipt. VII, 

 384 {Donjlas). 



Male. Frons and epistoma greyish white or silvery. Occiput 

 greyish, brown above. Antennæ blackish brown, third joint with a 

 distinct, somewhat long rostrum. Thorax blackish brown, dull, hu- 

 meral knob yellowish and behind it thorax grey; scutellum slightly 

 shining; the thoracic disc with sparse short hairs only as dorsocentral 

 row^s and behind humeri, the hairs at the margin of scutellum not 

 longer. Pleura and postscutellum grey. Abdomen black, shining, but 

 somewhat moderately as it is a little pruinose, just at the sides with 

 somewhat inconspicuous greyish spots; first segment greyish brown, 



Fig. 18. Wing of P. zermattensis (^ . 



dull, and second a little dullish. Abdomen very sparingly with short 

 hairs, at the sides of first segment a small bunch of longer hairs. Hy- 

 popygium small, black, a little pruinose and moderately shining; 

 apical impression somewhat small, broad, transversely oval, the 

 end claws brownish. Legs black with the knees yellowish, dull, hind 

 femora shining on posterior and posteroventral side; the legs short- 

 haired, femora nearly bare; only middle femora with two rows of 

 small spinules below the apical part. Wings nearly clear, stigma pale 

 brown, incomplete as it does not reach the tip of the mediastinal 

 vein, third costal segment slightly shorter than fourth, middle cross- 

 vein at the first third of the discai cell. Halteres blackish. 



Female. Frons relatively broad, black and shining, grey above 

 the antennæ, with a slight middle furrow ending in a low keel above 

 the antennæ. Abdomen fully as shining as in the male and the grey 

 side spots small and very inconspicuous. Hypopygium small, the 

 basal part broad, broader than long, black and somewhat shining, 

 without furrow, ovipositor short, somewhat thick at base. Third 

 costal segment distinctly shorter than fourth. 



Length 2,5 to nearly 3 mm. 



P. zermattensis is rare in Denmark, I know only three specimens. 



