Lestes fernandoi, Costa, Janira M., De Souza, Luiz Onofre I. & Muzón, Javier, 2006

Costa, Janira M., De Souza, Luiz Onofre I. & Muzón, Javier, 2006, Descriptions of three new species of Odonata from Brazil, Zootaxa 1314, pp. 53-68 : 58-61

Lestes fernandoi sp.nov. ( Figures 13–20 , 36 )

Holotype and allotype: BRASIL, MARANHÃO, Imperatriz (5º31’60” S / 47º28’60”W), 05–06­VII­2005, L.F.Reys Netto leg.

Etmology. The species epithet, “ fernandoi ”, refers to the collector’s name.

Male (holotype). Head. Dorsal surface of head white brown; labrum greenish; labium pale; palpal tooth black; lateral surface of mandibles and genae light green. Anteclypeus green; posteclypeus brown, posterior angles greenish; epicranium brown, with two black spots lateroposteriorly to posterior ocellus. Rear of read brown overlain with white pruinosity.

Thorax ( Fig. 13–14 ). Prothorax light brown. Pterothorax light green. Mesepisternal stripe iridescent black. Antealar sinus dark brown. Dorsal carina light brown. Mesepisternum stripe iridescent dark brown becoming black directionally, its upper end straight. Antealar crest brown. Mesinfraepisternum with a light brown spot. Mesepimeron with a light brown stripe. Interpleural suture black. Venter of thorax pale; metepimeron with anterior subtriangular black spot. Legs light brown; coxae and trochanters pale.

Femora pale with a broad black stripe and a narrower black ventral stripe. Tarsi and claws black.

Wings. Hyaline, pterostigma brown, venation black. RP 2 arising from RP 1 at fifth pnx crossvein in right FW and at fourth in left FW. IRP2 arising at seventh pnx crossvein, between sixth and seven in left FW. Pterostigma surmounting two or three cells on both wings.

Abdomen. Tergite 1 light brown; tergite 2 light blue, bearing two black wide stripe; tergites 3 to 7 iridescent black, anterior margin light blue; tergites 8–10 black, anterior margin light blue. Sternites 1–8 pale, carina black. Genital and postgenital plates dark brown. Sternite 10 light brown. Genital ligula as in Figures 15 and 16 . Anal appendages: cerci ( Figs. 17–19 ), dark brown, slightly planar in lateral view; in dorsal view curved medially, in their apical halves; internal margin slightly concave; tip blunt. Paraproct (Fig. 1819), dark brown with tip black; larger than 10th segment, globose basally; dorsally with a medial basal carina bordering an internal concavity; apex rounded, slightly divergent, bearing a tuft of setae.

Measurements. Total length (including anal appendages) 47, length of FW and HW 25; length of FW pterostigma 1.9; total length of abdomen 39; length of cerci 1.4.

Female (Allotype). Color pattern similar to male, but differs as follows: labrum dark brown; anteclypeus and postclypeus light brown.

Thorax. Prothorax light dorsally and greenish laterally; brown pattern as in male. Pterothorax similar to male. Legs yellowish in all extensive.

Wings. Hyaline, pterostigma dark brown, venation black; RP 2 arising from RP 1 at fourth in HW. Pterostigma surmounting two cells.

Abdomen. Tergite 1 light brown, laterally greenish; tergites 2–10 dorsally iridescent black, except anterior margin light greenish; segment ten entirely black. Sternite light with ventral carina black. Cerci and paraprocts dark brown. Genitalia ( Fig. 20): Ovipositor: anterior and posterior gonopophyses light brown, ovipositor valves dark brown; stylus of ovipositor light brown and curving ventrally in lateral view.

Measurements. Total length (incl. anal appendages) 42.5; length of FW and HW 24.5; length of FW pterostigma 1.8; total length abdomen (with anal appendages) 34; length of 0.6; length of valve of 8th sternite (valve 1) 1.7; length of valve of 9th sternite (valve 2) 1.8; stylus 0.6.

Discussion. This large species, is distinguished from its nearest congeners by the morphology of the anal appendages and by the peculiar color pattern of the pterothorax. Lestes fernandoi is nearest L. falcifer Sjöstedt in morphology of the cerci. The medial margin of the cerci of L. fernando i has a well developed internal lobe. In L. falcifer this lobe is vestigial. In L. falcifer the paraprocts are thin, in L. fernandoi they are stout.

Figures

FIGURES 13–19. Lestes fernandoi sp. nov. (holotype male). 13, pterothorax colour pattern, lateral view; 14, pterothorax colour pattern, ventral view; 15, genital ligula, ventral view; 16, genital ligula, lateral view; 17, anal appendages, dorsal view; 18, anal appendages, ventral view; 19, anal appendages, lateral view. FIGURE 20. Lestes fernandoi sp. nov. (Allotype female), abdominal appendages.

FIGURES 28 – 36. Lestes, pterothorax colour pattern, ventral view. 28, L. jurzitzai; 29, L. paulistus; 30, L. dichrostigma; 31, L. tricolor; 32, L. auritus; 33, L. falcifer; 34, L. pictus; 35, L. quadristriatus; 36, L. fernandoi. sp. nov.