Buenoa burtsa, Padilla-Gil, Dora N., 2010

Padilla-Gil, Dora N., 2010, Five new species of Buenoa (Hemiptera: Heteroptera: Notonectidae) from Colombia, Zootaxa 2411, pp. 22-32 : 27-28

Buenoa burtsa sp. n.

Type material. HOLOTYPE, macr ♂ , allotype macr ♀: COLOMBIA, Nariño, Tumaco, Finca Mar Agrícola , Universidad de Nariño , 0–3 m, 20 November 2008, leg. D. Padilla, ( ICN) . PARATYPES, same data as holotype, of these the following have been distributed: 2 ♂, 3 ♀ ( ICN) , 4 ♂, 4 ♀ ( PSO-CZ) , 1 ♂, 1 ♀ ( CP) . All macropterous.

Macropterous form. Dimensions. Length M 8.26, F 8.10–8.4; greatest body width M 1.8; F 1.86–2.24. Width of head M and F 1.48.

Color. General body bright white, dark eyes. Mesothorax with two anterolateral brown areas. Abdominal venter black except for keel and portions of connexivum, these white; abdominal dorsum also white with irregular areas of black, and with a yellow apex. Median longitudinal axis of head, pronotum, and hemelytra covered by thin, long, transparent setae, but membrane is not covered. Female differing from male, with a yellowish connexivum and abdominal dorsum.

Male structural characteristics: As viewed from above, outline of head rounded with anterior margin of vertex slightly indented; width of head approximately five times anterior width of vertex (1.48/0.26) and smaller than humeral width of pronotum; synthlipsis approximately twice anterior width of vertex (0.1/0.26); along median longitudinal axis, head slightly shorter than pronotum (0.88/1.0); tylus slightly inflated, with tuft of hairs. Labrum’s length slightly bigger than its width, and having tuft of setae. Rostral prong ( Fig. 4 a) longer than third rostral segment, this originating at distal end of third rostral segment, and with straight apex. Pronotum tricarinate, lateral margins lightly divergent; posterior margin convex, medially concave; humeral width approximately 1.6 times its median length (1.66/1.0); scutellum 1.2 times longer than that of pronotum.

Fore femur wide and somewhat thickened at apex; stridulatory area displays five weak ridges, apical one having an irregular shape ( Fig. 4 b); fore tibia with stridulatory comb consisting of approximately 19 teeth ( Fig. 4 c), of these the 9 basal are longer and of irregular shape, followed by shorter teeth which have a rounded apex, these are three apical horizontal ones. Fore and middle legs with preapical structure of tarsus II (see Fig. 3 e). Male genital claspers normal. Spine from caudo-sinistral margin, slightly curved and very narrow in the 2/3 apical.

Female structural characteristics: abdomen is slightly lighter than male’s abdomen, and hind femur has 29 spines along its posterior margin.

Etymology: Burtsa is a Greek noun meaning “brush,” referring to the shape of the comb of the fore tibia.

Comparative notes: B. burtsa is characterized by its robust body (wide M, 1.8), the width of head 1.48, synthlipsis (0.10), and irregular disposition of the combs of the tibia ( Fig. 4 c).

Figures

FIGURE 3. Buenoa dactylis sp. n. male. 3 a Rostrum in lateral view; 3 b Fore leg; 3 c Tibial comb (400 X); 3 d Enlarged view of peg-like setae on outer surface of fore tibia; 3 e Preapical structure of fore tarsus II

FIGURE 4. Buenoa burtsa sp. n. male. 4 a Rostrum in lateral view; 4 b Fore leg; 4 c Tibial comb (400 X)