148 



THE ENTOMOLOGIST. 



hemelytra and lateral areas of sternum, black; basal lateral margins 

 of corium reddish -ochraceous or pale sanguineous; legs piceous^ 

 femora iisually suffused with dull ochraceous; antennge with the 

 second joint longest, first and third joints subequal in length ; 

 longitudinal incisures to pronotum coarsely punctate ; other structural 

 characters as in generic diagnosis. 



Long, 17 mm. 



Habitat. — Tonkin ; Chapa. 



C-aatra dolosa, sp. d. 



Piceous-brown ; head, antennae, rostrum, sternum and legs- 

 brownish-ochraceous ; abdomen beneath black, base of apical segment 

 ochraceous ; head before eyes nearly twice as long as post-ocular 

 portion ; antennte with the first and second joints stoutest, and about 

 subequal in length, apical joints paler in hue, first joint about 

 reaching apex of head ; pronotum with a well-pronounced tubercle 

 on each side of anterior margin, profoundly, broadly, centrally, longi- 

 tudinally sulcate, posterior lobe about twice as long as anterior lobe 

 the lateral angles prominently nodulose, and excepting these the 

 whole surface transversely rugose, the anterior lobe more or less 

 longitudinally striate; scutellum broad, the produced posterior angles 

 curved ; femora beneath shortly spinous ; second joint of rostrum 

 very long, a little longer than first and third joints together. 



Long, 18 mm. 



Habitat. — Haut Mekong, Muong Sing. 



Ectrychotes tonkinensis, sp. n. 



Head reddish-ochraceous, eyes black ; antennae black, base of 

 first joint ochraceous ; pronotum ochraceous, anterior lobe a little 

 paler in hue than posterior lobe, the transverse and central longi- 

 tudinal incisures and the basal angles of the anterior lobe, black ; 

 scutellum black, the posterior spinous angles ochraceous ; hemelytra 

 black, the anterior and posterior angles and the costal margin of the 

 corium ochraceous ; connexivum reddish-ochraceous, with quadrate 

 black spots ; body beneath reddish-ochraceous, lateral areas of 

 sternum and somewhat broad transverse fasciae to the abdominal 

 segments, black ; legs ochraceous, basal areas of the femora, apices 

 of tibiffi and tarsi piceous ; antennae longly hirsute, second joint 

 longest ; pronotum with the transverse and central longitudinal 

 incisures punctate ; scutellum transverse, the posterior angular 

 spines curved ; a distinct incisure before each lateral margin of the 

 posterior pronotal lobe. 



Long, 13 mm. 



Habitat. — Tonkin . 



Villus rnhroniger, sp. n. 

 Head, pronotum, scutellum, and body beneath, pale dull tes- 

 taceous, the anterior pronotal lobe and ante-ocular area of head a 

 little darker in hue ; antennae, eyes, connexivum, hemelytra, rostrum, 

 legs, and apical area of abdomen beneath, black or blackish ; lateral 

 marginal area to corium pale dull testaceous ; first and second joints 



