SIMULID.E. 145 



tunclatura, thorace angustius et hiuniliiis. Oculi remoti, integri. 

 Ocelli tres. Palpi occulti. Antennte 12-articulat?e?, porrecta?, cras- 

 slusculce, siibcvlindricee, capitatai, capite paullo longiores. Thorax 

 gibbus, disco antico macula scutellifoniii subquadrato-ovali subtililer 

 punctulata. Scutellum traiisversiiiii. A\?e magnaB, nud;v, hyalinae. 

 Halteres distincti. Abdomen 8-annulatiim, latum, depressum. Pedes 

 validiusculi, subpubescentes ; antici coxis majoribus, femoribiis eras- 

 sis aut crassissimis subtus setulosis, tibiis intus spina longiuscula 

 terminatis ; tibiae posteriores apice breviter calcaratae. 

 Body very small, oblong-oval, shining, nearly smooth. Head round- 

 ed, narrower and lower than the thorax. Eyes remote, entire. Ocelli 

 three. Palpi hidden. Antenna? twelve-jointed ?, capitate, porrect, rather 

 thick, nearly cylindrical, a little longer than the head. Thorax gibbous, 

 with a subquadrate-oval, finely punctured, scutelliforni spot on the disc 

 in front. Scutellum transverse. Wings large, bare, hyaline ; subcostal 

 vein rudimentary ; radial ending at much before half the length of the 

 wing ; cubital ending at much before two-thirds of the length ; sub- 

 apical proceeding from near the tip of the cubital, ending at the tip of 

 the wing ; subanal proceeding from the cubital before half its length ; 

 anal and subaxillary distinct, the latter forming an angle. Areolets 

 seven, — the hmucral, which is very short, the radial, the cubital, the 

 subapical, the anal, the axillary, and the subaxillary. Posterior margin 

 slightly curved inward near the base. Halteres distinct. Abdomen 

 broad, depressed, with eight segments. Legs rather stout, slightly 

 pubescent ; fore coxae large ; fore femora thick or very thick, slightly 

 bristly beneath ; fore tibiae with a rather long apical spine ; hinder 

 tibifB with short apical spurs. 



This genus is nearly allied to Scatopse iu habit and structure. 



1. puUus, Hal. MSS. Nigra, nitens, thorace pubescente subni- 

 tido, alls limpidis, venis apud costam nigris, pedibus testaceis, tibiis 

 posticis apice femoribusque nigris. Long, f ; alar. 1\ lin. 



Black, shining. Thorax gibbous, pubescent, slightly shining. Wings 

 limpid ; costal, subcostal, and radial veins black ; radial vein incrassated 

 at its junction with the costal ; the other veins colourless. Legs tes- 

 taceous ; femora black ; hind tibise with black tips. 



Eare. In Mr. Haliday's collection. (I.) 



Family V. SIMULIDvE. 



Tipularlce latipennes, IMeig. ; Mcq. SinudUtes, Newm. Simulidc-s, Zctt. 

 Shmdbi(e, llondani. 



Ocelli iiidli. Mesolhoracis scutum iniegrnm. Vena costalis ante nice 

 apicem term.inala. Tibia et metatarsi lata, coitipressa. 



VOL. IV. u 



