Costa Rica, Panama (type locality BCI). Costa Rica: southern Pacific lowlands.
Wilson, E. O.:
Etymology Gr dasypyx , hairy rump, referring to the dense pilosity of the gaster.
Diagnosis Major: distinguished within the punctatissima group by the combination of the 3-lobed promesonotal profile in side view, with the mesonotal (rearmost) convexity flat-topped; long, robust propodeal spine; completely rugulose posterior half of the head, reaching all the way to the occiput; completely foveolate and opaque first gastral tergite; and dense pilosity. Minor: head, mesosoma, and waist entirely foveolate and opaque; occiput narrow, with a very thin nuchal collar. Both castes are yellow.
measurements (mm) Holotype major: HW 0.96, HL 0.94, SL 0.66, EL 0.16, PW 0.40. Paratype minor: HW 0.46, HL 0.54, SL 0.68, EL 0.10, PW 0.32. color Major and minor: concolorous medium yellow.
Range Known only from Barro Colorado Island, Panama.
figure Upper: holotype, major. Lower: paratype, minor. PANAMA: Barro Colorado Island (William L. Brown). Scale bars = 1 mm.