370 Tachinidae. 



(Exorista). — 1907. Kat. palåarkt. Dipt. III, 229. — 1921. Baer, Zeitschr. f. 

 angew. Ent. VII, 140. — 1924. Stein, Arch. f. Naturgescli. 90, 6, 59, 1. — 

 Nenioraea glahrata Schin. (nec Meig.) 1862. F. A. I, 448. 



Male. Frons above one third or fourth of the breadth of the eye; 

 cheeks narrower and jowls narrow, but less than in the following 

 species, because the eyes do not reach as low as the end of epistoma. 

 Orbits greyish, downwards together with cheeks silvery, dark in 

 certain views; jowls grey; frontal stripe velvet black; epistoma grey. 

 No outer vertical bristles. Frontal bristles reaching well below in- 

 sertion of antennæ, the uppermost strong, reclinate. Orbits and cheeks 

 black-haired, jowls with longer black hairs. Occiput grey, with pale 

 yellow hairs. Eyes pale-haired. Antennæ black, third joint broader 

 than second, and somewhat longer; arista thickened in a little more 

 than basal half. Palpi dark yellowish. Thorax black or bluish black, 

 a little shining, thinly greyish pruinose with five dark stripes, more 

 or less abbreviated behind; sciitellum reddish brown. Thorax black- 

 haired. Three sternopleural bristles. Abdomen blackish, somewhat 

 shining, on each side a red spot on second, third and part of fourth 

 segment; apex black; abdomen is white pruinose, shifting according 

 to view and with some dark, likewise shifting spots in the pruinosity, 

 further a narrow, median longitudinal line is seen, a little widening 

 on third segment. Abdomen has somewhat long, not dense black 

 hairs, second and third segment with a pair of marginal bristles, 

 fourth with a row; the bristles strong. Fifth sternite cleft to near 

 base, which is shining. Genitalia black. Legs black; anterodorsal 

 row of bristles on hind tibiæ not specially dense, and with a long 

 bristle below middle. Wings brownish at base, clear outwards; veins 

 dark brown; first posterior cell narrowly open. Squamulæ white. 

 Halteres brownish. 



Female. I do not know the female ; according to the descriptions 

 it has a broader frons, and abdomen almost quite without red markings. 



Length. About 10 mm. 



W. amoena seems to be very rare in Denmark, I know only one 

 specimen, a male, taken at Tisvilde on ^'/g 1913. The species is known 

 parasitic on Panolis griseovariegata. 



Geographical distribution: — Europe down in to Italy; not 

 known north of Denmark. 



2. W. speciosa Egg. 



1861. Egg. Verh. zool. bot. Geseli. Wien, XI, 209 (Nemoraea). — 1862. 

 Schin. F. A. I, 453. — 1889. B. B. Denkschr. Akad. Wiss. Wien, LVI, 97, 



