CYRTOMA. 115 



dilated towards the tips ; first joint of the hind tarsi very broad and 

 lonu'. 



Very rare. In the collection of the Entoinological Club. (E.) 



5. fuscipes, Ztt. i. 1. 540. 1 (1839). Gracilis, pedibiis fuscis. 

 Mas. Ater, alls ni(/ro-fiiscis, ahdomine suhtus fusco, tarsis nigiis. Fcem. 

 Niger, alis suLcinereis, ahdotnme fusco suhtus basi fulvo, femoribiis fulvis 

 apice fnscis. Long. 1^ ; alar. 2i lin. 



Slender. Legs long, slender, dark brown, not hairy. Male. Deep 

 black, tliinly clothed with short black hairs. Wings dark brown; 

 stigma intUstinct ; veins and halteres black, the latter very large. 

 Abdomen brown beneath. Tarsi black. i^'M. Black. Wings pale grey . 

 Halteres brown. Abdomen dark brown, dark tawny beneath towards the 

 base. Femora tawny, with brown tips. 



Not common. (E.) 



6. pusillus, Mq. d. n. 140. 3 (1827) ; Mg. ; Ztt. Ater, alls limpi- 

 dis, haltcribus fuscis, pedibus validis non pilosis, tibiis posticis sabclavatis. 

 Long, f ; alar. 2 lin. 



Fem. Deep black, smooth, shining, clothed with very few hairs. 

 Wings colourless ; veins black. Halteres brown. Legs rather stout, 

 not hairy; hind tibice slightly clavate. 



Eare. In the collection of the Entomological Club. (E.) 



7. minutus, Mg. zw. Aa. 336. 2 (1830); Mq. ; Zii. —elongatus, 

 Hal. Niger, nitidus, gracilis, genubus fulvis ; Mas. alis fuscis ; Fwm. 

 alis limpidis. Long. 1 ; alar. 1|^ Un. 



Slender, narrower than M. clavipes. Black. Legs slender ; knees 

 tawny. Male. Thorax bronzed. Wings ])rown. Hind tibife some- 

 what clavate. Fem. Wings coloiuless. Abdomen very much produced 

 and ])ointed. Fore femora pale, as well as the base of the other femora 

 and ol" the tibifc. 



Rare ; generally appears on larches. lu Mr. Ilaliday's col- 

 lection. (I.) 



Genus XIII. CYRTOMA. 



Cyrtoma, Mg. zw. iv. 1 (1824); Mq. ; Hal.; Ztt. Empis p., Flu. 



Corpus minutum, molle, gibbum, totum pubescens. Color niger. 

 Caput parvum, globosum. Oculi nudi, contigui. Proboscis decUvis, 

 brevissiraa. Palpi compressi, ineumbentes. Antenna; B-articulatee, 

 porrccta?, basi approximate ; articulus primus brevissiraus ; se- 

 cundus parms, cylindricus ; tertius longus, obclavatus, compressus ; 

 quartus et quintus stylati. Alae obtusps ; vena cubitalis simplex ; 

 ven(B externo-medlce 3 ; prima et secunda furcam fmgentes ; areola 

 discoidalis nulla. Cox^ femoribus breviores ; pedes postici longi, 

 tibiis apice subincrassatis. 



