WALKES OIT DIPTEEA OF AUIJ ISLANDS. 95 



Gen. GrEAPTOMYZA, Wied. 



G8. Graptomyza tibialis, n. s. Mas. Testacea, vertice pectovis- 

 que fasciis duabus piceis, antennis supra nigris, abdominis lateribus 

 fasciis duabus subtrigonis apiceque nigris, alis cinereis. 



Male. Testaceous. Vertex and mouth piceous ; epistoma with a pi- 

 ceous Hne on each side ; third joint of the antennae black above ; abdo- 

 men black along each side and at the tip, and with two black bands 

 which are angular in front; wings cinereous. Length of the body 

 3-1 lines ; of the wings 6 lines. 



Gen. Eristalis, Zatr. 



69. Eristalis splendens, Leguillon, Voy. aut. du Monde ; Macq. Dipt. 

 Exot. 11.2.49.28. 



Inhabits also Solomon's Islands. 



70. Eristalis resolutus, n. s. Mas et Foem. Niger, capite an- 

 tice albo, thorace vittis duabus fasciaque pectorisque disco cinereis, 

 scutello fulvo, abdomine fasciis interruptis a3neO'viridibus, tibiis basi 

 fulvescentibus, alis fuscis (mas) aut obscure fuscis (foem.) basi cinereis, 

 halteribus testaceis. 



Male and Female. Black. Head shining, with white tomentum be- 

 neath and on each side of the face ; third joint of the antennae pi- 

 ceous, arista simple i thorax with two cinereous stripes and with one 

 cinereous band, somewhat chalybeous towards the scutellum, which is 

 tawny ; the band continued on each side of the pectus, whose disk is 

 cinereous ; abdomen with an interrupted reneous-green band on the 

 second segment, third and fourth segments aeneous-green, each with 

 three large black spots ; tibia somewhat tawny towards the base ; wings 

 brown (male) or dark brown (female), cinereous towards the base ; hal- 

 teres testaceous. Length of the body 6 lines; of the wings 10 lines. 



71. Eristalis coNDUCTus, n.s. Fam. Niger, faciei lateribus albis, 

 antennis, scutello, abdominis fasciis pedibusque testaceis, thorace 

 antico albido, alis subcinereis apice obscurioribus. 



Female. Black. Head shining, with white tomentum behind, beneath 

 and on each side of the face ; antennae, scutellum, and legs testa- 

 ceous, arista simple ; thorax whitish in front, the whitish part con- 

 tinued in a short baud on each side of the pectus ; abdomen testaceous 

 at the base and beneath, and with three testaceous bands ; hind tibiae 

 with black tips; wings slightly greyish, darker towards the tips, 

 cubital vein much less bent than usual ; halteres testaceous. Length 



, of the body 3^ lines ; of the wings 6 lines. 



72. Eristalis suavissimus, n. s. Fam. Fulvus, capite testaceo 

 vertice nigro, thorace vittis quinque testaceis, abdomine nigro ma- 

 culis sex lutescentibus, segmentorum marginibus posticis aineis, pe-" 

 dibus nigris testaceo fasciatis, alis subiimpidis punctis duobus costa- 

 libus nigris. 



LIKIf. PROC. — ZOOLOGY. 7 



