276 LIST OF DIPTERA. 



Genus 13. SCEPSIS. 



Silvio affinis. Ocelli distinct!. Antennae parvae, simplices. 

 Venae cubi talis ramus lus fuscam longum emittens. 



Scepsis, Diptera Saundersiana, Pt. 1, 71. 



1. Scepsis nivalis. 



Scepsis nivalis, Diptera Saundersiana, Pt. 1, 71, pi. 2, f. 7. 

 South America. 



Genus 14. CHRYSOPS. 



Corpus mediocre, pubescens, oblongum, sat latum. Ocelli 

 tres. Proboscis brevis. Antennae 7-articulatae, cylindrical ; articuli 

 luset2us hirti, aequales. Abdomen depressum. Alae saepe nigro 

 fasciatae aut nigrae maculis limpidis. 



Chrysops, Meig. Klass. ; Fabr. Syst. Antl. ; Latr. ; Fall. ; Macq. 



Zeller ; Zett. 

 Tabanus, p., Linn.; Fabr. Ent. Syst.; Gmel. ; Panz. 



Mediastinal vein ending at much before two-thirds of the 

 length of the wing. Subcostal ending at a little before three-fourths 

 of the length. Eadial ending at somewhat nearer to the tip of the 

 wing than to the subcostal. First branch of the cubital simple, very 

 slightly curved, forming a very obtuse and rounded angle near its 

 base ; second branch nearly straight, ending on the hind border at 

 some distance from the tip of the wing. Four complete separate 

 externo-medial veins. Subanal vein united to the anal on the bor- 

 der. Discal areolet elongated, hexagonal; fore side very 

 longer than the hind side. 



Europe. 



much 



A. Alae fuscae maculis pallidis. 

 A. Pedes nigri. 



a. Abdomen maris basi fulvo bimaculatum, fcem. basi fulvum. 



caecutiens, Linn. 



b. Abdomen maris maculis fulvis trivittatum, foem. lateribus. 



basi flavis. - - - pictus, Meig. 



a. Tibiae fulvae. 

 i. Abdominis segmentum 2um maculis duabus basi sub- 

 cohaerentibus nigris. - - relictus, Hoffm. 



