HEM1PTERA HETEROPTERA. 65 



Male. Ferruginous, piceous beneath. Eyes slightly prominent. 

 Rostrum extending to a little beyond the fore coxae ; tip black ; joints 

 nearly equal in length. Antenuae setulose, black, more than half ihe 

 length of the body; joints from the first to the third successively decreasing 

 in length ; fourth piceous, longer than the third, shorter than the second. 

 Pruthorax scabrous; transverse ridge near the hind border distinct ; hind 

 angles very broad, much rounded, slightly prominent. Abdomen with pale 

 yellow marginal spots, extending a littie beyond the costa of the fore 

 wings. Four anterior femora beneath with a few minute teeth and with a 

 subapical spine. Hind femora incrassated, shorter than the abdomen,*with 

 five or six rows of spines. Hind tibia? slightly curved, as long as the hind 

 femora, with a long stout spine beneath before the middle and with a row 

 of teeth between the spine and the tip. Fore wings with a brown mem- 

 brane. Female. — Fourth joint of the antennae red. Hind femora rather 

 stout, with two rows of spines beneath. Hind tibiae straight, slender, 

 unarmed. Length of the body 8-| — 9 lines. 



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



b. Oajaca. From M. Salle's collection. 



c. Tejuca. Presented by R. Bennett, Esq. 



18. Archimerus guttiventris. 



Mas. Piceus, gracilis ; antenna nigra, articulo 4o obscure rufo ; pro- 

 thorax subliliter scaber, lateribus crenulatis, angulis posticis rotun- 

 datis non dilalatis ; venter maculis luteis quadrivittatus ; femora 

 postica crassa, luteo tuberculata; tibice posticce subtus unispinosa 

 apices versus dentatoe ; alee anticce costa basi testacea. 



Male. Piceous, slender, black beneath. Eyes prominent. Rostrum 

 extending a little beyond the fore coxae ; third joint shorter than the second 

 and than the fourth. Antennae black, a little more than half the length of the 

 body; joints from the first to the third successively decreasing in length; 

 fourth dark red, as long as the second. Prothorax finely scabrous, with an 

 indistinct longitudinal furrow and with a distinct transverse ridge near the 

 hind border; sides straight, slightly crenulated ; hind angles rounded, not 

 prominent. Abdomen beneath with two rows of luteous dots in the disk and 

 with a row of luteous spots along each side. Four anterior femora beneath 

 with a minute subapical spine. Hind femora much incrassated, somewhat 

 shorter than the abdomen, with a few luteous tubercles on the outer side. 

 Hind tibiae as long as the hind femora, armed with a stout spine beneath 

 at two-thirds of the length, deutate from thence to the tips. Costa of the 

 fore wings testaceous for oue-third of the length from the base. Length of 

 the body 9 lines. 



a. Oajaca. From M. Salle's collection. 



19. Archimerus maculifer. 



Mas. JFerrugineus, gracilis ; anlennce corporis dimidio aquilonga ; pro- 

 thorax scaber, luteo unimaculatus, piceo latissime unifasciatus, 

 lateribus subretusis, angulis posticis subaculis sat prominulis, margine 



