342 ME. W. L. DISTANT ON EHTNCHOTA 



25. Melamphaus ciecumdatus. 



Melamphaus circumdatus Walk. Cat. Het. vi. p. 16 (1873). 

 Mimika River ; Utakwa River Expedition ; Upper Utakwa Valley, 5000-10,000 ft. 



Genus Dindymus, 

 Dindymus Stal, Ofv. Vet.-Ak. Forh. 1861, p. 196. 

 Found in the Ethiopian, Oriental, and Australasian regions. 



26. Dindymus pyrochrous. 



Dysdercus pyrochrous Boisd. Voy. Astrol., Ent. ii. p. 642, pi. xi. fig. 9 (1835). 

 Mimika River ; Launch Camp, Setakvi'a, Utakvi^a River Expedition. 



27. Dindymus decolor. 



Dindi/mus decolor Bredd. Deuts. ent. Zeitsclir. 1900, p. 173. 

 Utakwa River, 2500-3000 ft. ; Base Camp to Canor Camp, sea-level to foot of 

 hills ; Upper Utakwa Valley, 5000-10,000 ft. 



28. Dindymus decisus. 



Dindymus decisus Walk. Cat. Het. vi. p. 5 (1873). 

 Mimika River. 



29. Dindymus cr(esus, sp. n. (PI. XXXIV. fig. 9.) 



Pale golden yellow ; head, anterior lobe of pronotum (not reaching lateral margins), 

 scutellum, sternum (excluding lateral margins), rostrum, antennae, and legs black ; 

 first joint of antennae subequal in length to fourth, second and third shorter, second 

 slightly longer than third ; head glossy black ; pronotum with the anterior black area 

 distinctly margined with fine punctures, the anterior lateral marginal areas laminately 

 reflexed, the posterior angles somewhat rounded ; rostrum passing the posterior coxae ; 

 anterior femora with two or three distinct spines before apex ; first joint of tarsi longer 

 than remaining joints together. 



Long. 12^-18 mm. 



Upper Utakwa Valley, 5000-10,000 ft. ; Snow Mts. 4000-6000 ft. ; Base Camp to 

 Canor Camp, sea-level to foot of hills. Brit. New Guinea, Madew, St. Joseph River, 

 2000-3000 ft. 



In most female specimens the colour of the abdomen beneath is stained and of a 

 greenish-ochreous hue ; in one small specimen the disk of the abdomen beneath is 

 black ; the membrane varies in hue from pale golden yellow to greyish white. 



