LIST OF DIPTERA. 555 



142. Laphria constricta. 



Nigricans; caput aureo tomenlosum ; antenna f viva ; thoracis 

 vitUe (luce auratce maculis quatuor nigricantibus testaceo mur- 

 ginatis variegates ; abdomen basim versiis subcontraetum, seg- 

 mentis \o et 2o fulvis niyro maculatis, apice fulvo ; pedes 

 fulvi, tibiis posticis nigro fasciatis ; al/efulvee, cinereo margi- 

 natce. 



Blackish. Head with pale gilded tomentum and hairs. Face 

 slightly convex. Mystax thick. Proboscis tawny, lanceolate, rather 

 short and slender. Antennae tawny ; third joint fusiform, a little 

 longer than the first and second together. Thorax with two broad 

 gilded stripes, each including two blackish testaceous bordered spots ; 

 hind part gilded with a blackish spot on the scutellum and another 

 behind. Abdomen fusiform, somewhat contracted near the base ; 

 first and second segments tawny, each with a blackish rhomboidal 

 dorsal spot; tip tawny. Legs tawny; hind knees blackish; hind 

 tibiae with a blackish band. Wings tawny ; hind borders and tip 

 grayish ; veins and halteres tawny. Length of the body 8 lines ; of 

 the wings 13 lines. 



a. Sumatra. From Sir Stamford Raffles' collection. 



143. Laphria aurigena. 

 Chaerades aurigena, Diptera Saundersiana, Pt. 2, 109, pi. 4, f. 8. 

 Java or Sumatra. 



144. Laphria Bengalensis. 



Mas. Nigra; abdominis incisurce utrinque albidce; aim jiaves- 

 centes. 



Laphria Bengalensis, Wied. Dipt. Exot. i. 237, 10. Auss. Ziveifl. 

 i. 512, 22. 



Bengal. 



145. Laphria axternans. 



Fcem. Aurato hirta; thorax vittis nigellis ; abdomen nigrum, 

 fasciis aurato hirtis ; pedes mellei ; alaflavidm, apicibus mar- 

 ginibusque posticis cinereis. 



Laphria alternans, Wied. Ziveifl. i. 511, 20. 



Var. ? Asilus apicata, Cat. of Diptera, Pt. 2, 436. 



a. Java. From the East India Company's collection. 

 PART III. 3 C 



