Haematotropis amazonica sp. nov.

Figs 18, 19, 47F, 52

Diagnosis. Adult males of H. amazonica sp. nov. differ from other Haematotropis species based on the following combination of characters: gonopod with LP1 long and tapered, projected towards the lateral region of gonopod (Fig. 19A–D); solenomere short, with apex slightly acuminated, projected towards the coxa (Fig. 19A, C).

Material examined. Holotype ♂, Brasil, Amazonas, Presidente Figueiredo, Usina Hidrelétrica de Balbina, 01.II.1988, B.M. Mascarenhas leg. (MPEG. MYR 125).

Paratypes: 1 ♂, same data as holotype, II.1988 (MPEG. MYR 174); 1 ♂, same data as holotype (INPA) .

Description.

Size and form (holotype ♂). Body length = 51 and wide = 6 mm. TL/GW = 8.5.

Coloration (long preserved in 70% ethanol). Head, prozonite, matazonite and telson brown, antennomeres, sides of metazonite, paranota, posterior region of epiproct and legs orange (Fig. 18A–D).

Head. Dorsal surface smooth and shiny, without microgranulations.

Trunk. Collum 2.0 mm long, 5.8 mm wide; dorsal surface of all rings smooth and shiny, without microgranulation; posterolateral margins slightly concave (Fig. 18A, B). Rings 2–19: prozonite and metazonite smooth and shiny, without microgranulation in dorsal region of all rings. Anterolateral teeth on paranota of rings 2–4 (Fig. 2G). Lateral margins of ring 2 not projected posteriad (Fig. 18A, B). Gonopodal aperture elliptical, approximately 1.6 mm wide and 1.0 mm long at midpoints. Telson (Fig. 18D) smooth and shiny, without microgranulations.

Legs. Smooth and shiny, without microgranulations.

Gonopods. Right gonopod structure as follows: coxa with inconspicuous lateral swelling at midlength (Fig. 19A); acropodite elongated, about four times as long as prefemur; median region expanded, cup-shaped in ventral view, with a concavity and cavity (Fig. 19D); distal region of acropodite lightly sinuous, not bifurcate, curved ventrally at a 80° angle (Fig. 19A–C); VP1 emarginated on posterior region, not very evident, not exceeding the width of ventral region of acropodite, in lateral view (Fig. 19A, C); VP2 absent; LP1 long and tapered, projected towards the lateral region of gonopod, apex slightly inclined (Fig. 19A–D), LP2, LP3 and DP absent. Opening of solenomere located at distal end of acropodite (Fig. 19A–C). Solenomere short, slightly acuminated apex, projected towards the coxa (Fig. 19A, C).

Remarks. H. amazonica sp. nov. is similar to H. paraensis sp. nov., in the conformation of the gonopods. It differs by the dorsal distal region of the acropodite being strongly elevated, VP1 not exceeding the width of ventral region of acropodite in lateral view (Fig. 19A), and LP1 projected towards the lateral region of the gonopod (Fig. 19A–D), while in H. paraensis sp. nov., the ventral region of the acropodite is slightly elevated (Fig. 39A–C), VP1 exceeding the width of ventral region of acropodite, in lateral view (Fig. 39C) and LP1 projects towards the mesal region of the gonopod (Fig. 39A–D).

Distribution. Brazil: Amazonas (Fig. 52).

Etymology. The name refers to the region where the species was collected.