18 Mr. F. Walker on some undescribed Species 



reddish. Wings lurid, with a paler stripe in each disk. Length of the 

 body 4i lines ; of the wings 7 lines. 



Canada ; discovered by Mr. D' Urban. In the British Museum. 



Leucospxs Sinensis. Form. Nigra ; antennae scapo subtus fiavo ; pro- 

 thorax fulvo bifasciatus; mesothorax fulvo marginatus; metathorax 

 fidvo trimacidatus ; abdomen subpetiolatum, subcompressum, flavo bi- 

 fasciatum ; oviductus brevis ; pedes tibiis pieeis, tarsis rufescentibus, 

 femoribus posticis ilavo margiiiatis ; ala3 obscure cinereas, apud costam 

 luridse, apice nigricanti-fuscae. 



Female. Black, thickly and minutely punctured. Head with pale 

 cinereous tomentum in front. Scape of the antennas mostly yellow 

 beneath. Prothorax with two tawny bands, the fore one slightly 

 curved. Mesothorax with a callus on each side, and with the hind 

 border of the scutellum tawny. Metathorax with a tawny spot hind- 

 ward and with one on each side. Abdomen subpetiolated, slightly 

 compressed ; first segment linear, yellow hindward, full half the breadth 

 of the other part, which is fusiform and has one yellow band. Oviduct 

 much less than half the length of the abdomen. Tibias piceous ; knees 

 and tarsi dull reddish ; hind femora of the typical structure, bordered 

 with yellow before and behind, armed with six large teeth. Wings 

 dark cinereous, lurid along the costa, blackish-brown towards the tips. 

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



Shanghai. Discovered by Mr. Fortune. In the British Museum. 



Lettcospis Aruera. Fcem. Nigra; antennas apice ferrugineas, scapo 

 subtus flavo ; prothorax flavo bifasciatus, fascia postica interrupta ; 

 paraptera flavo notata ; scutellum flavo bimaculatum ; metathorax flavo 

 unimaculatus ; abdomen subcompressum, maculis duabus basalibus fas- 

 ciaque postica flavis ; oviductus brevis ; pedes tibiis anterioribus flavis, 

 femoribus tibiisque posticis supra flavis, tarsis rufescentibus ; alas ob- 

 scure cinerea?, costa apiceque nigricantibus. 



Female. Black, very thickly and minutely punctured ; pubescence 

 very short. Antennas ferruginous at the tips ; scape yellow beneath. 

 Prothorax with two yellow bands ; the fore one dilated on each side ; 

 the hind one narrower, interrupted in tho middle. Mesothorax with a 

 yellow streak on each of the paraptera, and with a yellow spot on each 

 side of the scutellum. Metathorax with a large yellow spot. Meta- 

 pectus with a yellow streak on each side. Abdomen hardly petiolated, 

 slightly keeled and compressed; first segment nearly linear, with a 

 yellow spot on each side, more than half the breadth of the other part, 

 which is fusiform and has a yellow band hindward. Oviduct recurved 

 above to much less than half the length of the abdomen. Legs of the 

 typical form ; tarsi reddish ; anterior tibias and tips of anterior femora 

 yellow ; hind femora and hind tibias yellow above, the former with six 

 large teeth. Wings dark cinereous, very iridescent; fore wings black- 



