169 CATALOGUE OF 



Male. Testaceous, elliptical, convex, shining, thickly and finely 

 punctured, minutely tubevculate, the pustules black; under side smooth. 

 Head black, sniootl), shining, not extendiut;- beyond the pruthorax; vertex, 

 sockets of the anteuute and space about the mouth pale yellow; a band 

 composed of four black spots on the hind part of the vertex. Eyes piceoiis, 

 wide apart. Palpi pale testaceous. Antennae ferruginous. Prolhorax 

 very little longer than half its breadth ; fore border not truncated ; sides 

 rounded, very slif:hily reflexed ; hind border nearly straifhl. Mesoihorax 

 and metathorux with the hind angles slij^htly elongated. Abdomen with the 

 hind angles to the seventh segment successively more elongated and acute; 

 under side tliinly speckled with black ; supra-anal lamina bilobed. Styles 

 and cerei pale yellow; the latter very shtirt, partly black towards the base. 

 Legs thick, rather .short; femora with short thick spines; arolia large. 

 Length of the body 8^ lines. 



Sect. 13. 



38. POLYZO8TERIA INVISA. 



Mas. Nigra, elliptica, opaca, sublilissime et cnnfertissime punctata, 

 sublus viridis nitans ; caput prothoracem paullo superans, margine 

 antico palpisque piceis ; prolhorax breviusculus, margine antico 

 iruncato, margine postico siibundulato ; abdominis segmenta ulrinque 

 intpressa, 5um et Gum apiid medium subgibbosa ; lamina supra- 

 analis truncata, luteo marginata ; cerci fusiformes, luteo marginati ; 

 pedes crassi, libiarum spinis luteis apice nigris. 



Male. Black, elliptical, convex, dull, extremely thickly and minutely 

 punctured, metallic-green, shining and more largely punctured beneath. 

 Head extending a little beyond the prolhorax; fore border and palpi 

 piceous. Eyes livid, wide apart. Prothorax shorter than half its breadth ; 

 fore border truncated; sides rounded, very slightly reflexed ; hind border 

 slightly undulating. Mesothorax and metathorax rectangular on each 

 side of the hind border. Abdomen with a row of impressions on each side ; 

 fifth and sixth segments slightly gibbous in the middle, where they are 

 united and have an impression on each side; supra-anal lamina truncated, 

 bordered with luteous on each side and on the hind border; styles luteous. 

 Cerci flat, fusiform, hiteons-bordered, luteous beneath. Legs thick, 

 moderately long; cnxae bordered with testaceous ; femora with very short 

 spines; tibiae with luteous black-lipped spines ; arolia large. Length of 

 the body 14 lines. 



a. Australia. Presented by the Linnean Society. 



Sect. 14. 



39. POLTZOSTERIA TARSALIS. 



Foem. Nigra, longi-ovata, glabra ; caput prothoracem vix superans, 

 guttis duabus margineque antico fulvis ; antenna rufcE, basi nigrte ; 

 prolhorax bifoveolatus, subpunctatus, utrinque tuberculatus, margine 

 antico sublruncalo, margine postico vix rotundato ; abdomen lateribus 

 apiceque tuberculatis ; lamina supra-analis serrata, incisa, fulva ; 

 cerci fere lincares, sat graciles ; pedes crassi, femoribus rujis, tarsis 

 apice fulvis. 



