206 MR. F. WALKER ON DIPTEEA COLLECTED IN 



16. Tabanus facilis, n. s. Fcem. Fulvus, capite antico albido, an- 

 tennis rufis basi piceis articulo 3° apice nigro cornu parvo, tliorace 

 vittis quinque nigris, tarsis piceis, alis cinereis costam versus fusces- 

 centibus, halteribus pallide luteis. 



Female. Tawny. Head whitish in front; calhis black, very slender. 

 Proboscis black. Antennae red, piceousat the base; 3rd joint curved, 

 black towards the tip, with a small horn. Thorax with five black 

 stripes, of which the outer pair are very short and slender. Tarsi 

 piceous. Wings cinereous, mostly tinged with brown along the costa ; 

 veins black, tawny towards the base ; fore branch of the cubital vein 

 forming a I'ounded angle near the base, very slightly curved from 

 thence to its tip ; halteres pale luteous. Length of the body 8 lines ; 

 of the vi-ings 16 lines. 



17. Tabanus sylvioides, n. s. Fain. Fulvus, capite subtus pec- 

 toreque canis, antennis apice nigris cornu brevissimo minimo, abdo- 

 mine maculis trigonis subobsoletis et segmentorum marginibus canis, 

 ventre tarsisque piceis, alis obscure cinereis, costa venisque fusco 

 nebulosis. 



Female. Tawny. Head beneath and pectus hoaiy. Callus between 

 the eyes piceous, long, slender. Proboscis black. Antennae slender, 

 black towards the tips ; horn of the flagellum extremely small and 

 short. Abdomen elongate-conical, piceous beneath ; hind borders of 

 the segments hoary, each with a nearly obsolete triangular hoary dorsal 

 spot. Tarsi piceous. Wings dark cinereous, brown along the costa 

 and along the neighbouring veins ; veins black, tawny at the base ; 

 fore branch of the cubital vein forming a rounded angle near its base, 

 not forked ; halteres piceous. Length of the body 6 lines ; of the 

 wings 14 lines. 



Pam. ASILID^, LeacJi. 



Subfam. Lapheites, Walk. 



GeB. Lapheia, Fair. 



18. Laphria requisita. Walk. See Vol. IV. p. 105. 



19. Laphria congrua. Walk. See Vol. V. p. 277- 



20. Laphria consors. Walk. See Vol. III. p. 85. 



21. Laphria flagrantissima, H'a/^. See Vol. III. p. 86. 



22. Laphria germana. Walk. See Vol. III. p. 86. 



23. Laphria puer, Doleschall. See Vol. V. p. 147- 



24. Laphria divulsa, n. sp. Foem. Nigra, obscura, oculis argenteo 

 marginatis, mystace e setis nonnullis albis, antennis flagello sublineari, 

 abdomine punctato guttis lateraUbus transversis albidis, tibiis rufis 

 apice nigris, alis nigricantibus basi cinereis, halteribus rufescentibus. 



