138 BIBIONID.E. 



nigro-fuscis ; Fcem. alis cinereis ad costam fuscescentibus, pedibus rivfis. 

 Long. 2|~3 ; alar. 5-6 lin. 



Black. Male. Head clothed with black hairs. Thorax and abdo- 

 men clothed with whitish hairs. Wings 'very slightly greyish, a little 

 darker along the costa ; stigma and veins towards the costa blackish- 

 brown, the other veins pale brown. Tarsi and hind tibiae reddish or 

 reddish-piceous. Fern. Wings grey, brownish along the costa ; veins 

 towards the costa and stigma brown, the other veins pale brown. Legs 

 red ; coxse, trochanters, knees, spines of the fore tibiae, and tips of the 

 tarsi black. 



Not common. A vernal species. (E. I.) 



10. hybridus, Hal. E. M. i. 157 (1833); Loew. Mas, niger, 

 pallide pilosus, pilis capitis abdominisque segmeuti primi omnibus, 

 thoracis scutellique ex parte nigris, tibiis tarsisque ferrugineis. Long. 

 2-2-J- ; alar. 4 lin. 



Male. Black, clothed with pale hairs. Hairs of the head and of the 

 first abdominal segment wholly, of thorax and of the scutellum partly, 

 black. Tibiae and tarsi ferruginous. 



Bare. (I.) 



11. nigripes, Meig. Zw. i. 316. 9 (1818); Gim. Niger; Mas, 

 nigro-hirtus, alis subcinereis apud costam obscurioribus, abdomine albo- 

 piloso; Fcem. alis subcinereis, pedibus runs. Long. 3-3^; alar. 6-7 

 lin. 



Black. Male. Head and thorax clothed with black hairs. Wings 

 greyish, dark grey along the costa ; stigma dark brown ; veins towards 

 the costa black, the other veins pale brown. Abdomen clothed with 

 white hairs. Fern. Body clothed with short whitish hairs. Wings 

 greyish, a little darker along the costa ; stigma brown ; veins towards 

 the costa black, the other veins pale brown. Legs red ; tips of the 

 femora, of the tibiae, and of the joints of the tarsi black. 



Not common. (E. S.) 



12. clavipes, Meig. Zw. i. 317. 3 (1818); Hal.; Mcq. ; Zell. ; 

 Gim. ; Loew ; Zett. Johannis p., E. ; Gmel. ; Schr. ; Meig. Kl. Zw. 

 dorsalis, Meg.; Meig. -Jlavicollis, Meg.; Meig. -fulvicollis ? Gim. 

 ephippium, Zett. I. L. Niger ; Mas, nigro-pilosus, alis limpidis ad 

 costam nigricantibus, abdomine albo-piloso ; Fcem. thorace normunquam 

 plus minusve rufo, pectore ventreque rufescentibus, alis sublimpidis, 

 pedibus runs. Long. 3-4 ; alar. 6-8 lin. 



Black. Male. Head and thorax clothed with black hairs. Wings 

 limpid, blackish along the costa ; stigma and veins towards the costa 

 black, the other veins white. Abdomen clothed with white hairs. Fern, 

 things nearly limpid ; stigma and veins brown. Pectus and abdomen 

 reddish beneath. Legs red; tips of the femora and of the tarsi and 

 fore tibiae black. Var. /3. Thorax with two red spots in front. Var. y. 

 Thorax red, with three black dorsal stripes. Var. 8. Thorax red, with 

 two black dorsal stripes. Var. e. Thorax wholly red. 



