HEMIPTERA HETEROPTERA. 7 



Male. Black, nearly linear. Rostrum extending to the hind border 

 of the first ventral segment. Antennae raiher shorter than the body ; first 

 joint much longer than the head ; second very much shorter than the first ; 

 third very much shorter than the second ; fourth as long' as the first. Pro- 

 thorax, pectus, abdomen and corium bright red. Prothorax wilh a strongly- 

 marked transverse furrow at one-third of the length from the fore border, 

 which is white. Pectus with a black band; hind borders of the segments 

 white. Hind borders of the second and third ventral segments whitish. 

 Fore femora beneath wilh two subapical spines. Corium with a black line 

 along the interior border. Membrane at the tip with a narrow pale 

 cinereous border. Length of the body 6 lines. 



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



23. DiNDYMUS IMITATOR. 



Mas. Riifus, fusiformis, capile sublus rostro antennis, pectore pedibus 

 memhranaque nigris ; rostrum segmentum \um ventrale altingens ; 

 antenna corpore mullo breniores ; membrana basi albida. 



Male. Red, fusiform, very finely punctured. Head beneath, rostrum, 

 antennae, pectus, legs and membrane black. Head triangular. Eyes 

 piceous, hardly petiolated. Rostrum extending to half the length of the 

 first ventral segment. Antennae much shorter than the body ; first joint 

 longer than the head, red towards the base ; second much shorter than the 

 first; third much shorter than the second. Prothorax with a strongly- 

 marked transverse callus at somewhat in front of the middle, and with an 

 anterior transverse callus; sides slightly reflexed. Membrane whitish at 

 the base. Length of the body 5 lines. 



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



24. DiNDYMUS EFFUSUS. 



Mas. Piceus, fusiformis, tomentosus, capite an tennis pectoreqiie nigris ; 

 rostrum testaceum, segmenti ii ventralis marginem poslicuni altin- 

 gens ; antenna; corpore midto breviores, arliculo 4o alba apice nigro ; 

 prothorax lateribus margineque postico pallide Jlavis ; venter rufus ; 

 femora basijlava; corium ferrugineum, plaga subapicali fiavescente ; 

 membrana diaphana. 



Male. Piceous, fusiform, tomentose, very finely punctured. Head, 

 antennae and pectus black. Head elongate-triangular; middle lobe pro- 

 minent. Eyes prominent. Rostrum testaceous, extending to the hind 

 border of the first ventral segment. Antenna much shorter than the 

 body ; first joint much shorter thau the head ; second shorter than the 

 first; third much shorter than the second; fourth white, black at the tip, 

 nearly as long as the second. Prothorax bordered with pale yellow on each 

 side and behind ; two distinct transverse furrows, one at somewhat in front 

 of the middle, the other near the fore border. Abdomen red beneath. 

 Femora towards the base and trochanters yellow; fore femora hardly 

 incrassated. Corium of the fore wings ferruginous, wilh a yellowish patch 



