Lestes minutus Selys, 1862

Lencioni, F. A. A., Neiss, U. G., Dutra, S. L., Furieri, K. S., Juen, L., Batista, J. D. & Vilela, Diogo S., 2021, Synopsis of Lestes from Brazil with description of Lestes demarcoi sp. nov (Zygoptera: Lestidae), Zootaxa 4990 (3), pp. 511-541 : 519-520

Lestes minutus Selys, 1862

Fig. 08 (♂ —App), Fig. 21 (♂ —habitus), Fig. 29 (♀ —habitus), Fig. 37 (C— ♀ S8–S10), Fig. 39 (C— ♀ basal plate), Fig. 40 (H— ♀ pectoral color pattern).

Etymology: minutus = Latin for minute, tiny.

Lestes minuta Selys, 1862: 305 (description of male, distribution); Kirby 1890: 161 (data on species description and distribution); Davies & Tobin 1984: 32 (data on publication and distribution); De Marmels 1990: 336 (presence in Venezuela as L. mediorufus Calvert, 1909 ); Bridges, 1994: (VII) 155 (data on publication, type depository, type locality and references); Lencioni 2005: 96, Fig. 55 (A–C) (data on description, data on type locality, data on type deposition, data on distribution, data on larval description, synonymy with L. mediorufus , illustrations of appendages in lateral and mediodorsal views, thorax in ventral view form Calvert 1909); Costa et al. 2006: 60–61, Fig. 26 (appendages dorsal view, key for adult males); Garrison et al. 2010: 117 (data on species); Lencioni 2017: 109–110, Fig. 44A–E , 45A–B (data on description, type locality, type deposition, distribution, and larval description, appendages in lateral, mediodorsal and dorsal views, female S 8–10 in lateral view, thorax in ventral view, male and female habitus).

Types. Syntypes in IRSNB (examined).

Larva described. No.

Material examined. (2 ♂♂ + 1 ♀): 1 ♀ Brazil: São Paulo, São Paulo, Av Itacira , 42, 06.i.2001, F.A.A. Lencioni leg. ; 1 ♂ Venezuela: Edo Bolivar, small stream and ponds, 7 km E of Parupa ( PN Canaima), 1200m, 1–3.viii.1987, T. W. Donnelly leg. ; 1 ♂ Brazil: Goiás, Parque Nacional da Chapada dos Veadeiros, 23.vi.2008, S.L. Dutra & M.C. Almeida leg.

Synonyms. Lestes mediorufus Calvert, 1909 ( Lencioni 2005) .

Distribution. Brazil (Roraima, Goiás, Mato Grosso, São Paulo), Venezuela and Trinidad.

Diagnostic characters. ♂ —Cercus in lateral view: basal 2/3 straight with the apical 1/3 forming an almost right angle, tip rounded, medial expansion visible, rectangular, with the apical edge of the bottom margin with a long spine. Cercus in mediodorsal view: base of cercus with a short distally–directed spine, medial expansion a little wider than the base with the mesal edge concave and covered with spine–like setae. Paraproct in lateral view: 4/5 the length of cercus, finger–like with the tip little expanded and covered with pale setae. Paraproct in dorsal view: finger–like with a spoon–like tip.

♀ —Basal plate: species belonging to basal plate group 3 ( Fig. 38 ), with dorsal side twice the length of the dorsal section of posterior side. Dorsal section of posterior side and posterior section of ventral side subequal ( Fig. 39C ). Pectoral color pattern as Fig. 40H .

Figures

FIGURE 21. Lestes minutus: Male habitus.

FIGURE 26. Lestes demarcoi sp. nov.: Male habitus (Holotype).

FIGURE 29. Lestes minutus: Female habitus.

FIGURE 37. Female S8–S10: Lateral view: A—Lestes dichrostigma, B—Lestes forficula, C—Lestes minutus, D—Lestes paulistus, E—Lestes pictus, F—Lestes tricolor, G—Lestes undulatus, H—Lestes demarcoi sp. nov.

FIGURE 38. Female basal plate of ovipositor, with three configurations found in the known Brazilian species of Lestes: 1 (Lestes dichrostigma, Lestes pictus, Lestes tricolor and Lestes undulatus), 2 (Lestes forficula and Lestes paulistus) and 3 (Lestes minutus and Lestes demarcoi sp. nov.). Parts are named as follows: D—dorsal side, A—anterior side, V—ventral side, P—posterior side, PD—dorsal section of posterior side, PV—ventral section of posterior side, AP—Acute process (as defined in Westfall & May (1996)), VA—anterior section of ventral side and VP—posterior section of ventral side.

FIGURE 39. Basal plate of ovipositor (The basal plate was kept in color while the rest was converted to grayscale to facilitate the visualization of the differences between species): A—Lestes dichrostigma, B—Lestes forficula, C—Lestes minutus, D— Lestes paulistus, E—Lestes pictus, F—Lestes tricolor, G—Lestes undulatus, H—Lestes demarcoi sp. nov.

FIGURE 40. Pectoral color pattern: A—Lestes auritus (female), B—Lestes bipupillatus (female), C—Lestes dichrostigma (female), D—Lestes falcifer (male), E—Lestes fernandoi (male), F—Lestes forficula (female), G—Lestes jurzitzai (male), H— Lestes minutus (female), I—Lestes paulistus (female), J—Lestes pictus (female), K—Lestes quadristriatus (male), L—Lestes tricolor (female), M—Lestes undulatus (female), N—Lestes demarcoi sp. nov. (female).

FIGURE 44. Lestes paulistus male—Rio Claro—SP (Photo Frederico A.A. Lencioni).