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).