Eidmanacris dissimilis Desutter-Grandcolas, 1995

Nihei, Silvio S., 2017, Taxonomic review of Eidmanacris Chopard, 1956 (Orthoptera: Grylloidea: Phalangopsidae), Zootaxa 4321 (1), pp. 1-93: 20-23

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http://doi.org/ 10.5281/zenodo.897058

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Eidmanacris dissimilis Desutter-Grandcolas, 1995


Eidmanacris dissimilis Desutter-Grandcolas, 1995 

( Figs. 12–14View FIGURE 12View FIGURE 13View FIGURE 14)

http://lsid.speciesfile.org/urn:lsid: Orthoptera  .speciesfile.org:TaxonName:28463

Eidmanacris dissimilis Desutter-Grandcolas, 1995: 463  (male and female descriptions). Type locality: Brazil, state of Minas Gerais State, municipality of Poços de Caldas.  

Eidmanacris dissimilis, Prado & Fontanetti, 2005: 83  –87 (morphology of metanotal gland); Souza-Dias, Campos & Nihei, 2015: 555 (note).

Eidmanacris lencionii Bolfarini, 2016: 526  –532. Type locality: Brazil, state Minas Gerais, municipality of Brumadinho. Syn. nov.

Type material examined. Holotype male, allotype, 1 male paratype and 1 female paratype. Holotype labeled: “ Brasil, Minas Gerais, Poços de Caldas, Morro do Ferro , 7.IX.1967, J. Becker, O. Roppo, O. Leoncini col.”  ; “ Eidmanacris dissimilis  L. DESUTTER DET.”; “HOLOTYPE”. Allotype labeled: “ Brasil, Minas Gerais, Poços de Caldas, Morro do Ferro , 7.IX.1967, J. Becker, O. Roppo, O. Leoncini col.”  ; “ Eidmanacris dissimilis  L. DESUTTER DET.”; “ALLOTYPE”; Paratype male and female labeled: “ Brasil, Minas Gerais, Poços de Caldas, Morro do Ferro , 7.IX.1967, J. Becker, O. Roppo, O. Leoncini col.”; “L. DESUTTER DET.  , PARATYPE ”. Dry specimens ( MNHNAbout MNHN)  .

Other material examined. Total: 16 males and 10 females. 2 males and 2 females labeled: “ Brasil—Minas Gerais Poços de Caldas , Morro do Ferro, 7.IX.1967, O. Roppa, Q. Leoncini col”; “#37907 MZUEFS”; “#37899 MZUEFS”; “#37905 MZUEFS”; “#37897 MZUEFS” (MZUEFS)  . 2 males and 2 females labeled: “ Brasil (MG) Sul da Matiqueira , Fazenda Saiqui , 20 Km /s NO de Barreira do Piquete, 01-X-83, A  . Mesa , O. Cello ” ( MZSPAbout MZSP). 10 males and 4 females labeled: “ Gruta, PBR01— Brumadinho, 607744mE/7770546mN SAD’ 69, 28.ix  03.x.2009, Bessi et al., col”; “ Gruta, PBR03— Brumadinho, 607229mE/7770560mN SAD’ 69, 28.ix  03.x.2009, Bessi et al., col.”; “ Gruta, PBR04— Brumadinho, 607709mE/7770560mN SAD’ 69, 28.ix  03.x.2009, Bessi et al., col.”; “ Gruta, PBR06— Brumadinho, 607708mE/7770581mN SAD’ 69, 28.ix  03.x.2009, Bessi et al., col.”; “ Gruta, PBR07— Brumadinho, 607042mE/7770056mN SAD’ 69, 28.ix  03.x.2009, Bessi et al., col.”; “ Gruta, PBR16— Brumadinho, 607269mE/7770965mN SAD’ 69, 28.ix –03.x.2009, Bessi et al., col.” ( UBTU). Specimens preserved in ethanol 80%. 

Distribution. Brazil, state of Minas Gerais.

Diagnosis. This species can be distinguished from other Eidmanacris  by the following characters: antenomeres medium to dark brown with whitish bands composed of about 20 antenomeres; apex of FWs rounded, slightly curved inwards with ventral bristles; apex of pseudepiphallic arm with superior projection somewhat rounded posteriorly, with bristles, internal projection reduced to a protuberance, inferior projection short, tip rounded.

Redescription. Head. Dark to reddish brown. Occiput with central maculae medium brown, band medium brown going from occiput to margin of each eye; vertex medium to dark brown, with three lines light brown, vertical, in dorsal view ( Fig. 12CView FIGURE 12). Fastigium dark brown, with two rows of bristles, slightly longer than wide, narrowed toward apex, separated from vertex by line forming “v” ( Fig. 12CView FIGURE 12). Frons light brown, with three medium to dark brown vertical bands, two below eyes, one above clypeus ( Figs. 12A, BView FIGURE 12). Three ocelli present, well developed, forming isosceles triangle, central one flattened at bottom, lateral rounded ( Figs. 12A, B, CView FIGURE 12). Eyes with unpigmented small area on supero-internal angle ( Fig. 12CView FIGURE 12). Maxillary palpi long and thin, slightly pilose, medium brown, distal portion of joints white; joints 3 and 4 almost same-sized, joint 5 longest ( Fig. 12HView FIGURE 12); apex of joint 5 upcurved. Gena light brown, posterior margin medium to dark brown in lateral view ( Fig. 12BView FIGURE 12). Frontoclypeal suture light yellow, clypeus light brown with two bands medium brown, vertical, on upper margin, in frontal view; labrum whitish, lower portion yellowish brown. Mandible medium brown, maculae light brown on inferior margin. Antennal scape medium brown, inner margin dark brown ( Fig. 12AView FIGURE 12); antenomeres medium to dark brown with whitish bands composed of c.a. 20 antenomeres.

Thorax. Pronotum DD wider than long, medium to dark brown, slightly pubescent, inflated, divided by very tiny light brown sagittal line ( Fig. 12CView FIGURE 12); DD cephalic margin slightly concave, caudal margin sub straight ( Fig. 12CView FIGURE 12); ventro-cephalic angle rounded, ventro-caudal margin gradually ascendant ( Fig. 12BView FIGURE 12).

Legs. FI and II light to yellowish brown, annulated with dark brown. TI and II yellowish brown, annulated with dark brown, TI with two same-sized apical spurs; TII with two inner apical spurs and one outer, smaller. FIII light to yellowish brown, with thin stripes medium to dark brown on outer surface, dorsal margin and apical third dark brown ( Fig. 12DView FIGURE 12). TIII medium brown; subapical spurs 4/4, with serrulation above and between subapical spurs; apical spurs 3/3, more developed on inner surface: median (iam) sub-equal in length than dorsal (iad), ventral smallest (iav) (iam>iad>iav); outer apical spurs: median one longer (oam), dorsal sub-equal in length (oad), ventral smaller (oav) (oam>oad>oav). Basitarsi I, II and III yellow.

Abdomen. Cylindrical in dorsal view, medium to dark brown, with spots and maculae, divided by light brown, thin sagittal line.

Male. Medium sized body, general coloration medium to reddish brown, with dark spots and maculae. FWs medium to dark brown, elongated, apex rounded, curved inwards; posterior part of inner margin and apex whitish connected to single vein that divides external part of FW as lateral field, glandular thickening present distally, with bristles ( Fig. 12CView FIGURE 12); inner margins overlapped; covering metanotal gland, surpassing metanotum posterior border ( Fig. 12B, CView FIGURE 12). Metanotal gland present, anteromedian crest forming inverted triangle with cluster of bristles; lateral projections short, cylindrical, parallel ( Figs. 12F, GView FIGURE 12), posterior portion of metanotum very pubescent. Supra-anal plate medium to dark brown, superior margin lighter, anterior margin concave; lateral-posterior projections short, dark brown, with long bristles; posterior margin sub-straight ( Fig. 12IView FIGURE 12). Subgenital plate longer than wide, pubescent, medium to dark brown laterally and greyish centrally; anterior margin straight, posterior margin rounded with small invagination centrally, forming two lobes ( Fig. 12KView FIGURE 12).

Phallic complex ( Figs. 13A –CView FIGURE 13; 14A –C). Pseudepiphallus: base of pseudepiphallic sclerite without depressions in dorsal view; pseudepiphallic arms sclerotized, hard, slightly upcurved in lateral view; apex of pseudepiphallic arm with bristles on outer surface, superior projection somewhat rounded posteriorly, with bristles; supero-internal projection reduced to protuberance, inferior projection short, with tip rounded; anterior projection of pseudepiphallic sclerite present, elongate, surpassing base of pseudepiphallic sclerite; PsP2 short, hardly sclerotized, not reaching posterior extremity of pseudepiphallic arms, in dorsal view; apex pointed in lateral view, curved inwards in dorsal view, with membranous sphere on inner surface; sclerite A connected with base of pseudepiphallic sclerite, straight, articulation with PsP2 visible; PsP1 elongated, inner surface well sclerotized in ventral view. Ectophallic invagination: ectophallic apodeme elongate; ectophallic arc located below base of pseudepiphallic sclerite, “v”-shaped in dorsal view; ventro-posterior projection short; dorsal projection sclerotized, straight laterally, posterior margin with central invagination resembling “v”. Endophallus: median-posterior projection elongated, surpassing PsP2 apex, anterior portion wider in ventral view; lateral-posterior lobes of endophallic sclerite elongate; endophallic apodeme elongate, anterior to ectophallic apodeme.

Female. Larger than male, general coloration similar ( Fig. 12EView FIGURE 12). Supra-anal plate medium to dark brown, posterior margin light brown, anterior margin slightly concave, posterior margin rounded with long bristles ( Fig. 12JView FIGURE 12). Subgenital plate light brown with whitish anteromedian maculae, wider than long, anterior margin substraight, posterior margin rounded ( Fig. 12LView FIGURE 12). Ovipositor as in figs. 12M, N.

Copulatory papilla ( Figs. 14D –FView FIGURE 14). Sclerotized, longer than wide, cylindrical, anterior margin membranous, posterior margin unpigmented.

Remarks. Eidmanacris lencionii  is proposed as junior synonym of E. dissimilis  since there are no significant morphological differences between them, only some color variation. Some specimens from Brumadinho-MG are darker than specimens from Poços de Caldas-MG. This could be due the different ways these specimens are preserved.

Measurements (mm). Male (n=8): Hw, 2.97 ± 0.19 (2.54–3.16); iod, 1.48 ± 0.15 (1.24–1.61); Lpron, 3.23 ± 0.23 (2.79–3.53); awpron, 2.96 ± 0.21 (2.72–3.34); pwpron, 3.41 ± 0.13 (3.28–3.72); wpron, 4.31 ± 0.2 (4.03– 4.65); LFW, 3.28 ± 0.19 (3.03–3.53); wFW, 1.57 ± 0.07 (1.42–1.67); LFIII, 14.76 ± 1.38 (12.15–15.9); wFIII, 3 ± 0.12 (2.85–3.15); LTIII, 16.45 ± 1.27 (13.8–17.55); Ltars 1-III, 5.03 ± 0.34 (4.5–5.4).

Female (n=3): Hw, 3.36 ± 0.09 (3.28–3.47); iod, 1.55 ± 0.06 (1.48–1.61); Lpron, 3.57 ± 0.14 (3.41–3.65); awpron, 3.2 ± 0.17 (3.1–3.41); pwpron, 4.05 ± 0.25 (3.84–4.34); wpron, 4.79 ± 0.23 (4.52–4.96); LFIII, 16.15 ± 0.6 (15.45–16.5); wFIII, 3.4 ± 0.22 (3.15–3.6); LTIII, 17.7 ± 0.79 (16.8–18.3); Ltars 1-III, 4.7 ± 0.22 (4.5–4.95); OL, 17.05 ± 0.99 (16.2–18.15).


Museum National d'Histoire Naturelle


Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo














Eidmanacris dissimilis Desutter-Grandcolas, 1995

Nihei, Silvio S. 2017

Eidmanacris dissimilis, Prado & Fontanetti, 2005 : 83

Prado 2005: 83

Eidmanacris lencionii

Bolfarini 2016: 526