Eucampesmella macunaima, Bouzan & Iniesta & Pena-Barbosa & Brescovit, 2021

Bouzan, Rodrigo S., Iniesta, Luiz Felipe M., Pena-Barbosa, João Paulo P. & Brescovit, Antonio D., 2021, Six new species of the widespread Brazilian millipede genus Eucampesmella (Polydesmida: Chelodesmidae), Zoologia (e 66300) 38, pp. 1-22 : 12

Eucampesmella macunaima sp. nov.

Figs 1−4, 15−24, 42−44, 67

http://zoobank.org/ B2066EEE-A670-47FB-9AD9-EC8C52705402

Diagnosis. Males of Eucampesmella macunaima sp. nov. differ from all other species of the genus by the presence of an acute basal branch in prefemoral process ( Fig. 42), similar to E. serrana but without any other projection in the apical portion.

Type material. Holotype: Male from Belém (01°27’21”S; 48°30’14”W), Pará, Brazil, 12-15.ii.2009, A.D. Brescovit coll. ( IBSP 3632 ) . Paratypes: one female with same data as for holotype ( IBSP 3633 ) ; one male and one female from Museu Paraense Emílio Goeldi , Campus de Pesquisa, Belém, 13.i.2011, E.G. Cafofo coll. ( MPEG 48 ) ; one male and one female from Residencial Jardim Universitário , Belém, 22-31.viii.2016, A.D. Brescovit coll. ( MZSP 1159 and MZSP 1160 , respectively) .

Description. Male (Holotype, IBSP 3632). Coloration (long-preserved in 70% ethanol): Head brown. Antennae brownish. Body brown and paranota tip yellowish. Body rings: cuticle rough; paranota rounded; ozopore central-posteriorly situated on paranota; peritremata slightly pronounced on the paranota. Stigma oval. Sternite of body ring 4 with one pair of projections; Sternite of body ring 5 with one pair of projections (the former); post-gonopodal sternites with two pairs of triangular projections; Sternite until body ring 9 with the anterior zone between the coxae showing a cluster of setae. Pair of legs on body ring 3 with coxae possessing a rectangular-shaped genital papilla. Gonopod aperture on body ring 7 elliptical, posterior edge with prominent folds, in anal view the posterior margin is projecting and rounded. Legs brownish, with a dorsal lobe on the prefemur. Telson brown with the posterior margin whitish.

Total length: 52.03. Width total: 6.96. Collum, long, 2.32, width, 6.66. Antennomere lengths (1>7): 0.66; 1.43; 1.31; 1.31; 1.39; 1.36; 0.33. Podomeres lengths (1>7): 0.72; 1.03; 1.87; 0.93; 0.92; 1.42; 0.45. Gonopod aperture, long 1.72, width 2.70. Telson, long 1.32. Gonopod: long 2.82, width 2.44. Coxae: long 1.10, width 1.76. Telopodite: long 2.74, width 1.02.

Gonopods ( Figs 42−44): coxae equivalent to about half the length of the telopodite and prominent rectangular in ectal view ( Fig.44). Coxae with a row of macrosetae on the dorsal side. Cannula: hook-shaped. Prefemoral region ventrally developed, about 1/3 length of telopodite; ending in a well-demarcated transition zone ( Fig. 44). Prefemoral process long and slender; apex slightly broad divided into two small acute tips; a thin secondary process arises in the medial-basal portion, not surpassing the length of the prefemoral process (PfP; Figs 42, 43). Acropodite elongated, robust and broad; apical portion divided into two large branches: the internal one (=solenomere) conducting the prostatic groove that opens on a small sharp projection in the apex of this branch (S; Figs 42, 44). Acropodital process (AP) covering the solenomere (S) in ventral view, spoon shaped ( Fig. 43).

Female (Paratype, IBSP 3633). Coloration as in male. Posterior margin of vulvae opening presenting a large triangular-shaped epigyne ( Fig. 20). Vulvae ( Fig. 21) elongated and slender. Total length: 56.54. Width total: 7.76. Posterior margin of the vulvae aperture: 3, 04 width. Vulvae: long 2.45, width 0.72. External valve: long 2.03, width 0.33. Internal valve: long 1.94, width 0.29. Operculum: long 0.37, width 0.45. Lateral margin of the both valves with long setae and densely setose, central setae short and scattered ( Figs 21, 22). Operculum small (OP, Figs 21−23).

Additional material examined. BRAZIL: Pará: Belém (1°26’59”S; 48°29’23”W), Campus MPEG , 1 male, 2010, G. Ruiz coll. ( IBSP 4390 ) ; Residencial Jardim Universitário, 7 males 7 females, 22-31.viii.2016, A.D. Brescovit coll. ( IBSP 12868 ) ; 10 males 8 females ( IBSP 12869 ) ; Museu Paraense Emílio Goeldi, Campus de Pesquisa , 2 males, 9.i.2011, E.G. Cafofo coll. ( MPEG 50 ) ; 1 female, 6.i.2011, E.G. Cafofo coll. ( MPEG 49 ) ; 2 females ( MPEG 56 ) ; 1 male ( MPEG 55 ) ; 1 male, 4.i.2011, E.G. Cafofo coll. ( MPEG 53 ) ; 1 male ( MPEG 54 ) ; 1 female, 7.i.2011, E.G. Cafofo coll. ( MPEG 51 ) ; 1 male 2 females, 5.i.2011, E.G. Cafofo coll. ( MPEG 52 ) ; 1 male 1 female, 18.v.2012, D. Candiani coll. ( MPEG 132 ) ; Rondônia: Porto Velho, Abunã (9°41’41”S; 65°21’24”W) , 1 male, 04.ix.2010, Equipe Jirau 3 coll. ( IBSP 4385 ) ; Piauí: Teresina (5°05’05”S; 42°48’21”W), Mata Secundária de Babaçu , 2 males 2 females 1 immature, 12.ii.2012, I.L.F. Magalhães coll. ( IBSP 4527 ) ; 1 male ( IBSP 4524 ) ; 1 male ( IBSP 4523 ) ; 2 male 4 females ( IBSP 4525 ) ; 5 males 1 female ( IBSP 4526 ) ; 1 male 2 females 1 immature ( IBSP 4528 ) .

Distribution. Known from Brazilian states of Rondônia, Pará and Piauí ( Fig. 67).

Etymology. The species epithet is a reference to the Brazilian literature character “Macunaíma ” from the book “Macunaíma : O herói sem nenhum caráter” written by Mário de Andrade. Noun in apposition.