Leucotabanus pauculus Fairchild, 1951

Henriques, Augusto L. & Krolow, Tiago K., 2019, The genus Leucotabanus Lutz (Diptera: Tabanidae) in the Amazon region, with the description of a new species, Zootaxa 4651 (2), pp. 366-378 : 374-375

Leucotabanus pauculus Fairchild, 1951

( Fig. 7 A–J)

Diagnosis. Size 8.5–11mm. Frontal index 7–8.3. Species similar to the smaller specimens of L. exaestuans , but with a more divergent frons, divergence index 1.6–2.2 ( exaestuans = 1.2–1.4), relatively long antennal style. Palpus with predominantly white hairs, wing with slightly smoky coloration, all abdominal tergites with a white posterior band, and terminal abdominal segments not laterally compressed.

Comments. The male was described by Krolow et al. (2010). L. pauculus , an Amazonian species, inhabits the primary forest. Fairchild (1985) reported collecting a female that attacked a dog.

Material examined. VENEZUELA, Amazonas (18 ♀ and ♂ USNM) ; BRAZIL, Pará, Tumucumaque (♀ MPEG) ; Amazonas, Benjamin Constant (♀ AMNH) ; idem, Anavilhanas (♀ INPA) ; idem, Manaus and vicinities (20 ♀ and 2 ♂ INPA) ; idem, Parque Nacional do Jaú (♀ INPA) ; idem, Maturacá (♀ INPA) ; idem, Iauaretê (♀ MPEG) ; idem, Urucu river (♀ INPA) ; Acre, Serra do Divisor (♀ INPA) ; Rondônia, Ariquemes (♀ INPA) .

Distribution. Eastern Colombia; southern Venezuela; Brazil (Amapá; Amazonas; Pará; Rondônia).

Figures

FIGURE 7. Leucotabanus pauculus, A–E (female), F–J (male): A, F. dorsal view; B, G. ventral view; C, H. lateral view; D, I. head, frontal view; E, J. head, lateral view.