CYRTOMA. 115 



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

 long. 



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



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

 Mas. Ater, alts nigro-fuscis, abdomine subtus fusco, tarsis nigris. Foem. 

 Niger, alls subcinereis, abdomine fusco subtus basi fulvo, femoribus fulvis 

 apice fuscis. Long. 1^ ; alar. 2^ lin. 



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

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

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

 Abdomen brown beneath. Tarsi black. Fern. 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, halteribus fuscis, pedibus validis nonpilosis, tibiis posticis subclavaiis. 

 Long. |- ; alar. 2 lin. 



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

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

 not hairy; hind tidies slightly clavate. 



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



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

 Hal. Niger, nitidus, gracilis, genubus fulvis ; Mas. alls fuscis ; Foem. 

 alis limpidis. Long. 1 ; alar. If lin. 



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

 tawny. Male. Thorax bronzed. Wings brown. Hind tibise some- 

 what clavate. Fein. Wings colourless. Abdomen very much produced 

 and pointed. Fore femora pale, as well as the base of the other femora 

 and of the tibiae. 



Eare ; generally appears on larches. In Mr. Haliday's col- 

 lection. (I.) 



Genus XIII. CYRTOMA. 



CYRTOMA, Mg. zw. iv. 1 (1824); Mq. ; Hal.; Ztt. Empis p., Fin. 



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

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

 brevissima. Palpi compressi, incumbentes. Antennae 5-articulatae, 

 porrectse, basi approximates ; articulus primus brevissimus ; se- 

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

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

 vents externo-medlce 3 ; prima et secunda furcam jingentes ; areola 

 discoidalis nulla. CoxfB femur ibus breviores ; pedes postici longi, 

 tibiis apice subincrassatis. 



