Two new species of metaleptobasis from central ecuador (odonata: Coenagrionidae)

Abstract

Two new species of Metaleptobasis from Ecuador are described and illustrated. Metaleptobasis gibbosa (holotype cf, allotype 9: Ecuador, Pastaza Province, forest wetlands, Los Copales, between Mera and Shell, 01° 29' 30 S, 078° 04' 19 W, elevation 1070 m, 20-22 September 2005, leg. K. J. Tennessen; deposited in Florida State Collection of Arthropods) appears related to M. mauffrayi based on large, scythe-shaped posterior hamules; it differs by having cerci about 0.8 times the length of paraprocts, paraprocts wide in proximal half and posterior margin of S10 straight in dorsal view; the female has small denticles on the posteroventral margin of S8 but lacks a distinct vulvar spine. Metaleptobasis knopfi (holotype cf, allotype 9: Ecuador, Sucumbios Province, swamp-forest and stream, 52 km NE of Chaco, 00° 00' 04 S 077° 24' 07 W, elevation 685 m, 18 August 1980, leg. K. W. Knopf; deposited in Florida State Collection of Arthropods) appears related to M. minteri based on color pattern, small posterior hamule and morphology of the genital ligula; it differs by having rear of head completely tan, S10 produced posteromedially and cerci more than half as long as paraprocts; the female of M. knopfi has larger, more erect mesepisternal horns than M. minteri. © 2012 Worldwide Dragonfly Association.