148 SUPPLEMENT. 



ISCHNOPTERA SINENSIS. 



Mas. Lutea, glabra ; caput prothoraeem perpaullo superans ; palporum 

 articulus 'Mis piceus ; antenna nigra ; prolhorax margine postico 

 ulringue subtruncato ; alee apice nigricantes, abdomen longe super- 

 antes ; alee posticce villa discuidali nigricante. 



Male. Luteous, smooth, shining. Head extending very little beyond 

 the prothorax. Eyes tawny, small, wide apart, each including a black 

 streak. Palpi slender, filiform ; third joint piceous, much longer than the 

 second. Antennae black, a little longer than the body, luteous at the base. 

 Prothorax much broader than long, slightly truncated in front and on each 

 side of the hind border. Legs moderately long and stout ; femora with 

 short slender spines ; tibiae with long rather stout spines. Wings extend- 

 ing much beyond the abdomen, blackish at the tips, nearly alike in 

 structure. Hind wings with a blackish stripe in the disk. Length of the 

 body 6 lines; of the wings 16 lines. 



It is closely allied in structure to /. australis, but the latter is much 

 larger and has pale antennae. 



a. Hong Kong. Presented by J. C. Bowriug, Esq. 



ISCHNOPTERA CONFERTA. 



Mas. Testacea, elliplica, subtiliter punctata ; caput prothoraeem paullo 

 superans, guttis quatuor poslicis discoque antico nigris ; palpi supra 

 picei ; antenna picea, submoniliformes ; prothorax nigricante punc- 

 tutus, macula discoidali maxima nigra angulis anlicis produclis ; 

 femora sehdosa ; ala antica abdomen longe superantes, slriga basalt 

 subcostali nigricante. 



Male. Testaceous, shining, elliptical, thickly and minutely punctured. 

 Head small, extending a little beyoud the prothorax, four black dots on the 

 hind border of the vertex; disk of the front and of the face black. Eyes 

 blackish, wide apart. Palpi mostly piceous above. Anteunae piceous, sub- 

 moniliform. Prothorax very much broader than long, with blackish 

 punctures; a very large rhomboidal black spot in the disk, its fore angles 

 elongated and acute; hind border slightly rounded. Legs short, stout ; 

 femora setulose; tibia? with long stout spines. Wings extending much 

 beyond the abdomen. Fore wings with a blackish streak along the medias- 

 tinal vein. Hind wings as long as the fore wings ; the pale lines along the 

 veins most distinctly marked. Length of the body 6 liues ; of the wings 

 15 lines. 



Chau-ti-bon, Siam. In Mr. Saunders' collection. 



ISCHNOPTERA? OBLIQUA. 



Mas. Albido-testacea, fusiformis, aspere punctata ; caput rufo-fulvum, 

 piceo fascia turn, caput paullo superans, margine antico albido-lestaceo ; 

 oculi invicem remoli ; antenna testacea; prothorax vittis ditubus 

 nigris obliquis ; pedes breves, graciles ; ala antica subcoriacea, 

 abdomen longe superantes, slriga basali subcostali fusca ; ala pos- 

 tica albido diaphana. 



