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Novelo-Gutierrez R.,Institute Ecologia | Tennessen K.J.,PO Box 585
Zootaxa | Year: 2010

The last instar larva of Aeshna persephone is described and compared to the other Aeshna species inhabiting Mexico and the southwestern United States. A key is provided to separate A. persephone from the six other sympatric species of Aeshna. Larvae inhabit roots of riparian herbaceous vegetation in open streams with boulders. Copyright © 2010 Magnolia Press.

Tennessen K.J.,P.O. Box 585 | Johnson J.T.,3003 Unander Ave
International Journal of Odonatology | Year: 2010

Archaeopodagrion armatum sp. nov. is described and illustrated (holotype o: Ecuador, Zamora Chinchipe Prov., forest S of Zamora (4°07'18-S, 78°58'22-W), 02 iv 2008, leg. KJT; in FSCA). The new species is distinct from A. bicorne and A. bilobatum by the pair of highly recurved processes on the hind margin of the prothorax of both sexes, and a hair pencil and preapical spike-shaped process on the dorsal surface of the male paraprocts.

Four new species of Calvertagrion are described from the upper Amazon region of South America east of the Andes foothills, namely C. albatum sp. nov. (holotype male, Madre de Dios Department, Peru), C. charis sp. nov. (holotype male, Loreto Department, Peru), C. declivatum sp. nov. (holotype male, Santa Cruz Department, Bolivia), and C. mauffrayi sp. nov. (holotype male, Orellana Province, Ecuador). These additions bring the total number of species in the genus to five. Differences in thoracic and abdominal color pattern, morphology of the pronotum and male appendages are presented as characters in a key separating the known species. The male genital ligula is remarkably uniform within the genus, which is unusual within coenagrionid genera with multiple species.

Tennessen K.J.,PO Box 585
International Journal of Odonatology | Year: 2012

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.

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