346 CATALOGUE OF 



an ochraceous transverse very large and convex callus which occupies 

 more than half ihe surface; hinder space flat, ochraceous at the lip, 

 extending- a litlle beyond the angle of the coriura. Pectus with three 

 transverse whitish streaks on each side. Abdomen beneath luteous, with a 

 broad bluish purple cyathiforui band, which extends to the tip and on each 

 side nearly to the base. Legs long, whitish at the base. Fore wings wilh 

 a whitish transverse streak opposite the angle of the coriura ; membrane 

 greenish blue, with a pale cinereous hyaline border. Length of the body 

 5 lines. 



Very nearly allied to S. calliphoroides. 



a. Wagiou. Presented by W, W. Saunders, Esq. 



b. Wagiou. From Mr. Wallace's collectiou. 



93. Straciiia gemmka. 

 Laile piirpureo-cyanea,fusiformls, fjlahra ; antenna: nigra:, basi lyanece ; 

 thorax transverse sidcalits, antice coccineus, strigis dnabus luteralibus 

 lanceolatis Jiavo-albis ; sculellum basi coccineum, convcxian, linea 

 postica longilndinali paltide Jiava ; venter testaceus, laleribus riifo 

 variis cyaneo rnacidalis ; pedes cyanei, femoribus basi Jlavo-albis ; 

 alee anlica: macula magna coccinea, membrana viridi-cyanea cinereo 

 marginata. 



Bright purplish blue, fusiform, shining. Head, thorax and basal part 

 of the scutellum smooth. Head reflexed on each side in front; middle lobe 

 extending very litlle beyond the lateral lobes; a yellowish white line on 

 each side of the mouth beneath. Rostrum black, extending to the hind 

 coxae, pale testaceous towards the base. Antcnnte black, more than half 

 the length of the body; first joint blue, not extending to the front of the 

 Lead ; second much shorter than the third ; fourth longer than the third 

 and than the fifth. Thorax somewhat convex, especially on the fore part 

 of the disk, which is crimson-red and interrupts a transverse furrow and 

 has a punctured transverse furrow behind it ; a yellowish white lanceolate 

 streak on each side prolonged round the hind angle along the lateral part 

 of the hind border, broader on each side of the pectus. Scutellum not 

 extending beyond the angle of the corium; basal part crimson-red, convex, 

 emitting a pale yellow line into the hinder part; the latter flat, thinly and 

 roughly punctured. Pectus with a yellowish white red-tinged callus along 

 the fore border, yellowish white about the coxae. Abdomen beneath 

 testaceous, varied with red on each side, where there is a stripe of blue 

 spots. Legs blue; femora towards the base and coxce yellowish white; 

 tarsi black. Fore wings with a large crimson-red spot near the tip of the 

 corium which is punctured ; membrane greenish blue, cinereous-bordered. 

 Var. (3. — Abdomen beneath wholly red. Femora wholly blue. Length of 

 the body 3^ lines. 



a. Cerara. Presented by W. W. Saunders, Esq. 



t. New Guinea. Presented by W. W. Saunders, Esq. 



