342 MR. W. L. DISTANT ON RHYNCHOTA 
25. MELAMPHAUS CIRCUMDATUS. 
Melamphaus circumdatus Walk. Cat. Het. vi. p. 16 (1873). 
Mimika River; Utakwa River Expedition; Upper Utakwa Valley, 5000-10,000 ft. 
Genus DInpDYMuUS. 
Dindymus Stal, Ofv. Vet.-Ak. Férh. 1861, p. 196. 
Found in the Ethiopian, Oriental, and Australasian regions. 
26. DINDYMUS PYROCHROUS. 
Dysdercus pyrochrous Boisd. Voy. Astrol., Ent. ii. p. 642, pl. xi. fig. 9 (1835). 
Mimika River; Launch Camp, Setakwa, Utakwa River Expedition. 
27. DINDYMUS DECOLOR. 
Dindymus decolor Bredd. Deuts. ent. Zeitschr. 1900, p. 173. 
Utakwa River, 2500-5000 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 (1878). 
Mimika River. 
29. DINDYMUS CR@sUS, sp.n. (Pl. XXXIV. fig. 9.) 
Pale golden yellow; head, anterior lobe of pronotum (not reaching lateral margins), 
scutellum, sternum (excluding lateral margins), rostrum, antenne, and legs black ; 
first joint of antenne 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 cox ; 
anterior femora with two or three distinct spines before apex ; first joint of tarsi longer 
than remaining joints together. 
Long. 123-18 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. 
