140 BIBIONIDiE. 



creasing in length ; fifth luuch longer than the fourth ; ungues and 

 onychia distinct. Male. Head broad. Eyes very large, connected 

 above. Abdomen obtuse at the tip. Fern. Head narrow. Eyes small, 

 remote. Abdomen slightly acuminated. 



This genus is nearly allied to Biblo in habit, structure, and 

 economy. 



1. spinatus, Miiller, Eaun. Eridr. 695; Zool. Dan. Prodr. 169. 

 1982 (1776). — nUjritm, OXvi .^forcipatus, Latr.; Schr.—febrlUs, Meig. 

 Klass. — «/«//7«m, Meig. ; Mcq.; Gim.; Loew.; Zett. Niger; Mas, alls 

 albis, apnd costam pallide fitscis, venis alhh apud costam nigris ; Foem. 

 alls nigricantibus, apud marginem posticum cinereis, apice sublimpidis. 

 Long. 2i-3|; alar. 5-7 Hn. 



Black. Male. Wings white, sligldly clouded loitli pale brown along 

 the costa ; stigma blackish ; veins toioards the costa black, the other 

 veins white. Fern. Wings blackish, grey along the hind border, nearly 

 limpid at the tips ; stigma and veins black. 



Generally distributed, (E. S. I.) " In profusion everywhere, 

 most so on sand-hills. Appears in conservatories even during a 

 severe frost in the middle of winter.'^ — Hal. MSS. 



3. femoratus, Meig. Zw. i. 307. 2 (1818); Mcq.; Zett.; Gim. 

 Nigra, alis albis, stigmate nigro-fusco, venis albis apud costam fusces- 

 centibiis ; Foem. femoribus rnjis. Long. 2^-3; alar. 5-6 lin. 



Black. TFings white ; stigma blackish-brown ; veins towards the 

 costa broivnish, the rest white. Fern. Femora and fore coxae red. 



"Common on Umbelliferar—HaL MSS. (E. T.) 



Genus HI. SCATOPSE. 



ScATOPSE, Geoff. H. N. Ins. (1764) ; Schr.; Eab. S. A.; Meig.; Mcq.; 

 Loew ; Zett. Tipida p., L. ; E. E. S. ; D. G. Hirtea p., E. Suppl. 

 Ceria, Scop. 



Corpus parvum aut minimum, elongatum, glabrum, nitidum. Caput 

 rotundatum, thorace angustius. Oculi reniformes, margine antico 

 pro antennarum insertione nonnihil excisi, non connexi. Ocelli tres. 

 Palpi occulti, uniarticulati. Antennae ll-articulatae, porrectaj, cras- 

 siusculse, cylindricse, submoniliformes, capite paullo longiores, arti- 

 culo undecimo rotundato. Thorax convexus, ovatus. Scutellum par- 

 vum. Ala3 longaj, nudne, hyaline ; venae apud costam bene tlcter- 

 minattC, in disco indistinctfjc. llaltercs distiucti. Abdomen depres- 

 sum, lineare aut obconicum, scgniculis 6 vcl 7 distinctis. Pedes sira- 

 plices, nudi, inermes, subasqualcs. Mas. Abdomen basi subcontrac- 

 tum, apice obtusum. Faem. Abdomen lineare, apice subacuminatum. 

 Body small, or very minute, long, narrow, smooth, shining. Head 

 rounded, narrower than the thorax. Eyes reniform, remote, slightly 

 excavated at the insertion of the antennae. Ocelli three. Palpi very 



