Haematotropis disjuncta Golovatch, Hoffman & Spelda 2004
Creators: name: De, Thaís M.
name: Bueno-Villegas, Almeida Julián
name: Rafael, José A.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Diplopoda
Polydesmida
Aphelidesmidae
Haematotropis
Haematotropis disjuncta

description: Haematotropis disjuncta Golovatch, Hoffman & Spelda, 2004
Figs 9, 10, 47C, 50
Haematotropis disjuncta Golovatch, Hoffman & Spelda in Golovatch et al., 2004: 64, figs 47–52.
Diagnosis. Adult males of H. disjuncta differs from other Haematotropis species based on the following combination of characters: gonopod with LP1 long and tapered, strongly curved apically, projected towards the mesal region of gonopod (Fig. 10A–D); DP present with apex not bifurcate (Fig. 10A–C); solenomere long, apex acuminated, projected towards the LP1 (Fig. 10A–C).
Material examined. Holotype ♂, Brasil, Amapá, road-km 94 of BR-156 highway, in rotten leaves of palms Elaeis oleifera (Kunth) Cortés and E. guineensis Jacq., 14.II.2000, E.L. Oliveira leg. (IEPA). Paratypes: All from Brasil: 2 ♂♂, 3 ♀♀, same data as holotype (IEPA); 1 ♂, 2 ♀♀ (INPA).
Additional material examined: All from Brasil, Amapá, Macapá: 3 ♂♂, Fazendinha IEPA, Parque Zoobotânico, I.2001, P. Magno leg. (MNRJ 12012); 1 ♂, 1 ♀, same data (MNRJ 12011); 1 ♂, Fazendinha, Distrito, campus do IEPA, 17–20.IX.2004, C.J.F. Costa & P. Magno leg. (MNRJ 12010).
Redescription.
Size and form (holotype ♂). Body length = 42 and wide = 7 mm. TL/GW = 6.
Coloration (long preserved in 70% ethanol). Head, prozonite, metazonite and telson brown, antennomeres, paranota and posterior region of the epiproct orange, legs yellow (Fig. 9A–E).
Head. Dorsal surface smooth and shiny, without microgranulations.
Trunk. Collum 3 mm long, 7 mm wide; dorsal surface of all rings smooth and shiny, without microgranulations; posterolateral margins slightly concave (Fig. 9A, 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. 9A, B). Gonopodal aperture elliptical, approximately 1.5 mm wide and 0.5 mm long at midpoints. Telson (Fig. 9D) smooth and shiny, without microgranulations.
Legs. Smooth and shiny, without microgranulations.
Gonopods. Right gonopod structure as follows: coxa with lateral swelling at midlength (Fig. 10C); acropodite elongated, about four times as long as prefemur; median region expanded, cup-shaped in ventral view, with a concavity and cavity (Fig. 10D); distal region of acropodite slightly sinuous, not bifurcate, curved ventrally at a 70° angle (Fig. 10A–C); VP1 emarginated on posterior region, evident, exceeding the width of ventral region of acropodite, in lateral view (Fig. 10A, C); VP2 absent; LP1 long and tapered, strongly curved apically, projected towards the mesal region of gonopod (Fig. 10A–D), LP2 and LP3 absent; DP tapered, sinuous and projected towards the gonopod apical region (Fig. 10A–C). Opening of solenomere located at distal end of acropodite (Fig. 10A–C). Solenomere with long, acuminated apex, projected towards LP1 (Fig. 10A–C).
Remarks. H. disjuncta is very similar to H. disjunctoides sp. nov. in the conformation of both gonopods and the presence of DP (Figs 10A–D, 26A–D). However, the apex of DP not being bifurcate and not surpassing the dorsal distal region of the acropodite (Fig. 10A–D) distinguishes H. disjuncta from H. disjunctoides sp. nov., in which DP bifurcates irregularly and extends beyond the dorsal distal region of the acropodite (Fig. 27A–C). H. disjuncta occurs mainly on the north shore of the Amazon River (Fig. 50) while H. disjunctoides sp. nov. occurs on the south shore (Fig. 52), supporting the separation of the two species.
Distribution. Brazil: Amapá (Fig. 50).
description: Published as part of De, Thaís M., Bueno-Villegas, Almeida Julián & Rafael, José A., 2021, Taxonomic review of the millipede genus Haematotropis Jeekel, 2000 (Diplopoda, Polydesmida, Aphelidesmidae, Aphelidesminae) with descriptions of thirteen new species, pp. 1-71 in Zootaxa 5064 (1) on page 16, DOI: 10.11646/zootaxa.5064.1.1, http://zenodo.org/record/5653702