I 





Voria. 481 



cross-vein more or less strongly oblique; siibcostal and cubital vein 

 {ruralis) or only cubital vein {trepida, hilaris) with bristles; no or a 

 small costal spine. 



The species are parasitic on Heterocera and also on Lophyrus\ 

 they belong, so far known, to Pantel's group 6. 



Of the genus there seems to be about 7 European species; 3 

 occur in Denmark. 



Table of Species. 



1. Abdomen with only marginal bristles 2. 



- - Abdomen with discai and marginal bristles {Paraplagia B. B.) . . 3. trepida. 



2. Subcostal and cubital vein with bristles; first posterior cell 



open; cheeks with a bristle {Voria s. str.) 1. ruralis. 



— Only cubital vein with bristles; first posterior cell petiolate; 



cheeks without bristles {Hypovoria Villen.) 2. hilaris. 



1. V, ruralis Fall. 



1810. Fall. Vet. Acad. Handl. XXXI, 265, 6 et 1820. Dipt. Suec. Muse. 

 5, 6 {Tachina). — 1838. Zett. Ins. Lapp. 634, 3 et 1844. Dipt. Scand. III, 1016, 

 4 et 1859. XIII, 6073, 4 {Tachina). — 1862. Schin. F. A. I, 438 {Plagia). — 1889. 

 B. B. Denkschr. Akad. Wiss. Wien, LVI, Tab. IV, Fig. 80 a et 1891. LVIII, 

 354 {Plagia). — 1907. Kat. palåarkt. Dipt. III, 370. — 1909. Villen. Wien. 

 Ent. Zeitg. XXVIII, 334 {Plagia). — 1921. Baer, Zeitschr. f. angew. Ent. 

 VII, 365. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 122, 3. — Tachina amhigua 

 Fall. 1810. 1. c. 275, 26 et 1820. 1. c. 7, 10. — 1844. Zett. 1. c. III, 1017, 5. — 

 1862. Schin. F. A. I, 438 {Plagia). — 1889. B. B. 1. c. LVI, 101, Tab. IV, Fig. 80 

 et 1891. LVIII, 354 {Plagia). — 1907. Kat. palåarkt. Dipt. III, 369. — 1921. 

 Baer, 1. c. VII, 365. 



Male. Frons above about as broad as the eye; jowls about one 

 third of the height of the eye. Orbits and cheeks greyish, the latter 

 dov^nwards and the jowls whitish; frontal stripe greyish black, 

 seen from in front grey. Three orbital bristles. Frontal bristles few 

 in number, not reaching end of second antennal joint, two upper strong, 

 reclinate and behind them a small or very small outwards directed 

 bristle. On the middle of the cheeks, below the frontals, a strong, down- 

 wards directed bristle, sometimes with a smaller above. Vibrissæ a little 

 ascending, fme. Orbits and cheeks with fine black hairs. Jowls only with 

 some few black hairs below and one hindmarginal bristle. Occiput grey, 

 with whitish hairs. Antennæ black, second and third joint of about equal 

 length; arista thickened in fully basal half, second joint only slightly 

 elongated. Palpi blackish, the apical part more or less broadly yellow. 

 Thorax black, a little bluish grey pruinose, with four black stripes, 

 the median abbreviated behind; scutellum bluish black. Thorax 



31 



