HEMIPTEBA HETEKOPTERA. 133 



33. ISCHNODEMUS SULCATUS. 



Mas. Niger, longissimus, hirsulus, fere cylindricus ; rostrum coxas 

 anticas attingens ; antenna brevissim.ee, articulo \o fulvo ; prolhorax 

 sulco longitudinali bene determinate); pedes fulvi, breves, femoribus 

 qualuor posterioribus incrassatis, femoribus anticis valde incrassatis 

 subtus dentatis, tibiis tarsisque anticis brevissimis his clavalis sublus 

 den talis. 



Male. Black, smooth, sinning, hirsute, very long and narrow, nearly 

 cylindrical. Head small, conical, narrower than the lore border of the 

 prolhorax; middle lobe prominent. Eyes slightly prominent. Rostrum 

 extending to the fore coxae. Antennae rather stout, about one-sixth of the 

 length of the body; first joint tawny ; second about half the length of tbe 

 first; third as long as the second; fourth elongate-fusiform, longer than 

 the first. Prolhorax elongated, narrower in front, with a strongly-marked 

 longitudinal furrow. Legs lawny; four posterior legs short, with incrassated 

 femora; middle legs much shorter than the hind legs; fore femora 

 extremely incrassated, dentate beneath ; fore tibiae clavate, dentate beneath, 

 very short, as are also the fore tarsi. Wings extending nearly to the tip of 

 abdomen. Length of the body 4^ lines. 



a. Mount Ophir. Presented by W. W. Saunders, Esq. 



34. ISCHNODEMUS TALPA. 



Mas. Niger, planus, linearis; caput conicum, minimum; rostrum coxas 

 intermedias attingens ; antenna brevissimct ; prolhorax brevis, 

 transverse subsulcalus, lateribus rotundatis ; pedes breviusculi, 

 femoribus quutuor posterioribus subincrassatis, femoribus anticis 

 valde incrassatis subtus spinulosis elfortiler unispinosis, tibiis anticis 

 subarcualis apice bicalcaratis, lursis anticis brevissimis; corium 

 ferrugineum ; membrana apice albida. 



Male. Black, flat, linear, smooth, shining. Head conical, very 

 small, narrower than the fore border of the prolhorax. Eyes slightly 

 prominent. Rostrum extending to the middle coxuj. Antennae rather 

 stout, a little less than one-fourth of the length of the body; second joint 

 about half the length of the first; third much shorter than the second; 

 fourth longer than the second. Prolhorax transverse, thinly punctured, 

 rounded on each side and much narrower towards the fore border, with a 

 very slight transverse middle furrow. Legs rather short; four posterior 

 femora slightly incrassated ; lore femora extremely incrassated, with a stoul 

 curved spine and with some smaller spines beneath ; fore tibia; stout, 

 slightly curved, with two apical spurs; fore tarsi very short. Wings 

 extending to the tip of the abdomen. Corium of the fore wings ferru- 

 ginous ; membrane whitish at the tip. Length of the body ■'>'_. lines. 



The fore legs of this species are fossorial, hut less so than those of 

 I. sulcalus. 



a. Mount Ophir. Presented by W . W. Saunders, Em|. 



