Mello-Leitão, 1929 : 90
Mello-Leitão, 1944 : 11
Tobias regius Birabén, 1955: 74
Epicadus pulcher (Mello-Leitão)
Machado et al. 2017 : 448
There and back again: More on the taxonomy of the crab spiders genus Epicadus (Thomisidae: Stephanopinae)
Machado, Miguel
Teixeira, Renato Augusto
Lise, Arno Antonio
Zootaxa
2018
2018-02-22
4382
3
501
530
6FRDY
(Mello-Leitao, 1929)
Mello-Leitao
1929
[151,624,367,394]
Arachnida
Thomisidae
Epicadus
GBIF
Animalia
Araneae
13
514
Arthropoda
species
pulcher
Tobias pulcher Mello-Leitão, 1929: 90, figs 189–190. Tobias epicadoides Mello-Leitão, 1944: 11( holotypefemale from Aurá[ 1°25'34.80"S, 48°23'10.86"W, Belém, Brazil], deposited in MNRJ0 0 82, examined). Tobias regiusBirabén, 1955: 74, figs 5–8 ( holotypefemale from Buena Vista[ 17°27'32.00"S, 63°39'33.00"W, Santa Cruz, Bolivia], deposited in MLP0 405, examined). Epicadus pulcher(Mello-Leitão). Machado et al.2017: 448, figs S2A, S5C, S13D.
Typematerial: Holotype(original designation): female, São Paulode Olivença [ 3°38'59.84"S, 69°5'48.85"W, Amazonas, Brazil], ( MNHN137, examined). Othermaterial examined. BRAZIL: Bahia: 1 female, Governador Lomanto Júnior, 14°48'36.65"S, 39°28'18.31"W, 28 June 1968, leg. CEPLAC, ( MNRJ 06861).
Diagnosis.Females of E. pulcherresemble those of E. tigrinusin their vivid yellow body coloration with remarkable black stripes on femora and flattened prosoma with large TWS. However, they can be distinguished by the presence of five opisthosomal projections instead of three, being the median posterior one thin and tail-like. The anterior border of the opisthosoma is strongly concave rather than straight as in E. tigrinus( Fig. 7A) and the epigynal plate is shallow, with neither folds nor a conspicuous median septum ( Fig. 7C).
Description. Female (from São Paulode Olivença; MNHN 137):Anterior eye row recurved and posterior procurved. Prosoma yellow with black stains at cephalic region, TWS well developed and surrounded by a dual LBL ( Fig. 7A); MS absent ( Fig. 7B). Chelicerae yellow with proximal black stains. Sternum, endites and labium uniformly yellow. Opisthosoma with five projections faced backward; lower lateral ones longer than others and median posterior tail-like,whitish-yellow with a median LBL and dark, scattered punctuations ( Fig. 7A). Clypeus with a divided upside down V-shaped black mark ( Fig. 7B); anterior legs (I and II) yellow with black stripes; posterior legs (III and IV) predominantly yellow with tiny black spots at the distal portion of femora. Epigynum presents the simplest external design of all Epicadusspecies, with no septum, elevated lateral folds or differentiation between the median field and the rest of the epigynal plate ( Fig. 7C). The copulatory ducts are short when compared to those of other representatives of the genus and the primary spermathecae have rough surface and spherical shape ( Fig. 7D). Measurements:eye diameters and interdistances: AME 0.10, ALE 0.14, PME 0.08, PLE 0.06, AME–AME 0.36, AME–ALE 0.20, PME–PME 0.44, PME–PLE 0.22; MOQ length 0.72, MOQ posterior width 0.68, MOQ anterior width 0.66; leg formula: 1-2-4-3: leg I—femur 4.92/ patella 2.58/ tibia 3.05/ metatarsus 2.10/ tarsus 1.40/ total 14.05; II—4.50/ 2.45/ 3.15/ 2.00/ 1.65/ 13.75; III—2.25/ 1.50/ 1.50/ 1.35/ 0.65/ 7.25; IV—2.75/ 1.44/ 1.79/ 1.75/ 0.65/ 8.38. Total body length 9.70; prosoma length 4.75, width 4.55; opisthosoma length 4.95; clypeus height 0.50; sternum length 2.10, width 1.60; endites length 1.20, width 0.66; labium length 0.76, width 0.78.
Distribution. BOLIVIA: Santa Cruz; BRAZIL: Pará, Amazonas, Bahia( Fig. 17B).
1820860161
MNRJ
Brazil
-1.4263333
Aura
1
-48.386353
Belem
13
514
1
holotype
1820860247
MLP
Bolivia
-17.458889
Buena Vista
1
-63.65917
13
514
1
Santa Cruz
holotype
1820860257
1968-06-28
MNRJ
Brazil
-14.810181
Governador Lomanto Junior
1
-39.471752
Other
14
515
MNRJ 06861
1
1
Bahia