. Brigham Young University science bulletin. Biology -- Periodicals. 38 Bricham Young University Science Bulletin humerus, interval 6 elevated near declivity, emarginate at posterior area, termination rather acuminate, sutural area slightly concave, striae punctate, intervals densely covered with scales; female with tuft of setae on declivity; transverse- ly convex and only slightly elevated. Legs, femora extending to tip of elytra, femora and tibia densely covered with ash-colored scales and setae, ventrites 1-2 covered \vith scales lat- erally, free from scales in median area, no punc- tures
. Brigham Young University science bulletin. Biology -- Periodicals. 38 Bricham Young University Science Bulletin humerus, interval 6 elevated near declivity, emarginate at posterior area, termination rather acuminate, sutural area slightly concave, striae punctate, intervals densely covered with scales; female with tuft of setae on declivity; transverse- ly convex and only slightly elevated. Legs, femora extending to tip of elytra, femora and tibia densely covered with ash-colored scales and setae, ventrites 1-2 covered \vith scales lat- erally, free from scales in median area, no punc- tures and only a few setae; 1 with greater breadth than 2; 5 as wide as 3-4. Length mm; breadtli . mm. Type locality: Solomon Islands: Bougainville Island. Specimens studies: One cotype from Bou- gainville Island loaned from Museum fiir Tier- kunde in Dresden, and five other specimens from Bougainville; 1 Kieta IX-X-I937 (J. L. Froggatt); 1 Simba Mission, VI-28-VII-22, (;j. Ford, Jr.); 1 Bougainville Is. VII, 1945 (A. J. Walz), and 3 Bougainville Is. - no other data. T. carinithorax is readily separated from other species included in this study by the roundish ash-gray scales, shape and width of the pro- thorax, elevated fifth and sixth intervals of the elytra at the declivity, and its size. Trigonops hougainvillensis n. sp. Fig. 38 Dem black, with small, round, green scales on body, antennae, legs and venter, except medial area of ventrites 1-2 and all of .3-5. Head as long as rostrum, separated from ros- trum by a curved sulcus, eyes prominent and round; trace of a carina extending from apex to rostral suture ending in a fovea; scales thickly placed around eyes and rugose lateral and ven- ter areas. Rostrum, deeply incised by scrobes with trace of precipitous carina, terminating in an angular elevation at junction with the de- clivity, declivity precipitous, punctured near apex and devoid of scales. Antennae scape deep- ly punctvired and with long, light
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