Trioza guama, Caldwell, 1942

Cadwell, J. S., 1942, Psyllidae from Guam, Insects of Guam I, Honolulu, Hawaii: Bernice P. Bishop Museum Bulletin 172, pp. 20-22 : 22

6. Trioza guama , new species.

General color; body entirely black except ventral sclerites of abdomen narrowly edged with ivory; antennae light yellow except first and last two segments black; genal cones white; tibiae and tarsi light yellowish. Vertex scarcely deflexed; hind margin not concave. Genal cones about one fourth as long as vertex, blunt, slightly divergent, greatly lowered from but parallel to the plane of the vertex. Antennae longer than width of head. Head almost as broad as thorax; eyes prominent. Thorax not arched. Forewing little over twice as long as broad; veins not setose; radial sector short, curved toward costa; marginal cells subequal. Posterior spurs present on metacoxa; hind tibia with no basal spur but with apical ratio of 2-1. Length to tip of forewing, 2.5 mm.; forewing 2 mm.

Piti, Aug. 18, on Glochidion marianimi, Swezey, holotype male. In collection of Experiment Station, Hawaiian Sugar Planters' Association .