CRIORHINA. 259 



3. oxyacanthse, Mg. zw. in. 237. 12 (1822). Nigra, fulvo- 

 hirta, antennis ferrugineis, alis subcinereis, tibiis piceis, tarsis ferrugineis. 

 Long. 5-6; alar. 11-13 lin. 



. Black, thickly clotJied with pale tawny hairs. Head covered with 

 whitish down. Antennae ferruginous. Thorax very thickly clothed 

 with bright tawny hairs. Wings slightly grey. Halteres tawny. Legs 

 black; knees and tarsi ferruginous ; tibiae piceous. Jem. Crown of the 

 head covered with tawny down, which is interrupted by a piceous 

 stripe. 



Not rare. (E.) 



4. regula, Fin. syrph. sppl. 9. 12 (1816); Ztt. -Jhccosa, Mg. ; 

 Mq. Nigra, fulvo-hirta, subtus cano-hirta, antennis piceis fusco-nebu- 

 losis, abdominis lateribus basi jlavo-fasciculatis, pedibus riigris, tarsis 

 subtus ferrugineis. Long. 5^-6^- ; alar. 12-14 lin. 



Black, clothed with tawny hairs. Head with whitish hairs beneath, 

 where it has a pale yellow covering ; face and epistoma covered with white 

 shining down. Antennas piceous, with a hoary covering. Thorax 

 covered beneath with hoary hairs. Wings colourless ; stigma tawny, 

 an irregular brown band extending from it to the disc ; a large diffuse 

 pale brown spot near the tip. Alulae white, with tawny borders. Hal- 

 teres tawny. Abdomen clothed along each side with whitish hairs ; a 

 tuft of long pale yellow hairs on each side at the base ; femora clothed 

 beneath with whitish hairs and at the tips with black hairs; tarsi 

 ferruginous beneath. 



Not rare. (E. I.) 



5. asilica, Fin. eyrph. 22. 10 (1816); Mg. ; Mq. ; Ztt. Nigra, 

 antennis ferrugineis, thorace fulvo-Jiirto, alis cinereo-subnebulosis, abdo- 

 mine nigro-cyaneo fasciis tribus canis. Long. 56 ; alar. 1112 lin. 



Black. Head covered on each side in front with hoary down. An- 

 tenna ferruginous. Thorax thickly clothed with dark tawny hairs. Wings 

 slightly clouded with grey ; a brown spot near the middle of the fore 

 border. Halteres tawny. Abdomen bluish-black, thinly clothed with 

 pale hairs, with three hoary bands ; first broad at the base, second and 

 third interrupted. 



Not rare. (E. S.) 



6. femorata, L. fn. 1824 (1761); Gm. ; Fin. ; Mg. ; Ztt. ; St. ! ill. 

 pi. 47. f. 4. volvulus, Fb. ; Mg. Nigro-cenea, antennis piceis basifulvis, 

 alis sublimpidis fusco-bifasciatis ad costam subfulvis, abdomine basifulvo- 

 bimaculato, femoribus basi fulvis, tarsis basi tibiisque anterioribus ferru- 

 gineis ; Mas. abdomine albido-hirto basi fulvo-hirto apice nigro-hirto. 

 Long. 6-7 ; alar. 11-12 lin. 



J^neous-black. Epistoma and peristoma covered with white shining 

 down. Mouth piceous. Antennae piceous ; first joint tawny. Thorax 

 thickly clothed with long tawny hairs. Wings nearly colourless, with 

 a slight tawny tinge along the fore border, a narrow band on the 



