Hemipeplus brasiliensis KC & Pollock, 2025

Hemipeplus brasiliensis KC & Pollock , sp. nov.

http://zoobank.org/ urn:lsid:zoobank.org:act:C8BAA793-A04A-4BAF-B7DC-F5A41A048B9E

(Figs 12, 62)

Type Material. Holotype, male, labeled: ‘[underlined in green] BRAZIL: Am. [/underlined in green] Reserva Ducke 26km NE Manaus Barbosa, M.G. V / Plot A, Malaise 4 July 1995 / BMNH {E} 2003-84 / 84.1 / [green label] ♂ / [red label] HOLOTYPE ♂ Hemipeplus brasiliensis KC & Pollock’, in BMNH .

Derivation of Specific Epithet. The specific name (adjective in the nominative case, in gender agreement with substantive) is given in allusion to the type locality of the holotype, i.e., Brazil .

Diagnosis. Hemipeplus brasiliensis sp. nov. can be distinguished from the similar-appearing H. angustipennis (Fig. 13) by its larger, more convex eyes, less produced anterolateral pronotal angles, and paler head and pronotum. Hemipeplus brasiliensis sp. nov. has the following diagnostic features: temples prominent, posteriorly rounded; scape short, moniliform; eyes large (longer than scape + pedicel), shallow and less convex; pronotum subcordiform, slightly widened anteriorly with a shallow anterior emargination; anterolateral angles moderately produced, broadly rounded; pronotal pad present; posterolateral angles square, rounded; pronotal lobe slight but visible with median notch; elytra more or less flat; color rufotestaceous with portions of elytra slightly piceous; distribution: Brazil (Amazonas).

FIGURE 11. Hemipeplus mexicanus Grouvelle, 1896 . A. Dorsal habitus (with scale bar); B. Dorsal head and prothorax; C. Lateral view of head and prothorax; D. Male genitalia dorsal view without spiculum gastrale; E. Tegmen dorsal view (with scale bar); F. Tegmen lateral view with one paramere removed.

Description. Measurements (in mm)—GHW: 0.58; HL: 0.58; AL: 0.94; GPW: 0.66; PL: 0.52; GEW: 0.75; EL:

3.00; TL: 4.10.

FIGURE 12. Hemipeplus brasiliensis sp. nov. (Holotype). A. Dorsal habitus (with scale bar); B. Dorsal head and prothorax; C. Lateral view of head and prothorax; D. Male genitalia dorsal view with spiculum gastrale; E. Tegmen dorsal view (with scale bar); F. Tegmen lateral view with one paramere removed.

Head (Fig. 12B) as long as wide, (GHW/HL: 1.00); eyes large (as long as scape + pedicel), shallow and less convex; temples wide and posteriorly rounded, about 1/3 length of eye, bulged outward; occiput with raised areas; antennae shorter than head and pronotum length combined; antennal scape short, moniliform and produced externally on one side; pedicel small moniliform; antennomere III more elongate and apically dilated; IV short and moniliform; V slightly larger, apically dilated; VI–X subtriangular or bowl shaped, each wider than the next; XI subpyriform with apex narrowed after median notch; lateral mandibular tooth absent. Pronotum (Fig. 12B) wide (GPW/PL: 1.27); anterior margin with moderate emargination; anterolateral angles broadly rounded, slightly produced; lateral margins sinuate; posterior half slightly contracted than apical half; posterolateral angles square and rounded, very slightly produced; pronotal lobe slight with median notch; pronotal pad (Fig. 12C) present but narrow; pronotal pits deep with oval grooves. Scutellar shield subhexagonal, transverse, not twice as wide as long. Elytra (Fig. 12A) elongate (EL/GEW: 4.00) and flat; vestiture very short but dense; apical patch long and piceous. Ventral surface. Prosternal process short, not extending to the posterior of procoxae; hypomeral edges broadly separated; mesosternal process narrow and linear. Color rufotestaceous head and pronotum, with portions of elytra slightly piceous.

Male Genitalia (Figs 12D–F). (Tegmen length = 0.35 mm (n = 1)) Lobe of basale short, slender with rounded apex; shoulders obtusely angled, fairly slanted; parameres almost straight, slightly narrowed near the bases of apicale; apices of parameres thinner than the bases with sharp thin tips; penis shorter than tegmen.

Geographical Distribution (Fig. 62). Brazil (Amazonas).

Natural History. The holotype of H. brasiliensis sp. nov. was collected in a malaise trap.