Masteria lasdamas Dupérré & Tapia, 2021

Dupérré, Nadine, Tapia, Elicio, Quandt, Dietmar, Crespo-Pérez, Verónica & Harms, Danilo, 2021, From the lowlands to the highlands of Ecuador, a study of the genus Masteria (Araneae, Mygalomorphae, Dipluridae) with description of seven new species, Zootaxa 5005 (4), pp. 538-568 : 557-560

publication ID 10.11646/zootaxa.5005.4.4

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Masteria lasdamas Dupérré & Tapia

sp. nov.

Masteria lasdamas Dupérré & Tapia View in CoL , new species

Figs 16A, B View FIGURES 16 , 17A–D View FIGURES 17 , 21A View FIGURES 21 , 23B View FIGURES 23 , map 1.

Type material. Male holotype from Santo Domingo de los Tsachilás, OTONGA Biological Reserve, Las Damas (-00.39506 -78.98100) 1290m, 05–16 August 2014, pitfall trap, E. Tapia, I. Tapia, N. Dupérré ( QCAZ). Paratypes: same locality as holotype : 1♂, 12–23 July 2014, pitfall trap, E.E. Tapia, C. Tapia & N. Dupérré ( ZMH-A0015054 ) ; 1♂, 28 June–12 July 2014, pitfall trap, E.E. Tapia, C. Tapia & N. Dupérré ( QCAZ) ; 1♂, 23 Jul.–5 Aug. 2014, pitfall trap, E. Tapia, C. Tapia & N. Dupérré ( QCAZ) .

Etymology. The specific name is a noun in apposition taken from the type locality Las Damas in the OTONGA Biological Reserve.

Diagnosis. Male most resemble M. otongachi n. sp. but can be distinguished by their much smaller size (2.69 vs. 4.41); prolateral process of leg I, P1 inconspicuous ( Fig. 23B View FIGURES 23 ) vs. P1 well sclerotized and triangular in M. otongachi n. sp. ( Fig. 23 C View FIGURES 23 ).

Description. Male (holotype): Total length: 2.69; carapace length: 1.32; carapace width: 1.01; abdomen length: 1.37. Carapace light brown; pars thoracica with long setae ( Fig. 16A View FIGURES 16 ). Chelicerae yellow; promargin with 10 teeth and ~15 smaller mesobasal teeth. Endites yellow without cuspules. Labium yellow without cuspules. Sternum yellow ( Fig. 16B View FIGURES 16 ). Eyes: six eyes grouped; AME absent, ALE the largest; PLE oval; PME small, rounded; posterior eye row recurved ( Figs 16A View FIGURES 16 , 21A View FIGURES 21 ). Abdomen elongated, whitish-gray, covered with long setae ( Fig. 16A View FIGURES 16 ). Spinnerets: missing. Leg formula 4123; leg measurements: I 4.59 (1.17/0.60/1.09/0.93/0.80); II 3.53 (0.95/0.45/0.74 /0.71/0.68); III 2.32 (0.92/0.41/0.68/0.68/0.53); IV 4.44 (1.23/0.41/0.99/1.09/0.72). Leg spination: I: d1-1-1-1-; tibiae v1; II: femur d1-1-1; tibia v1-1, p1; metatarsus v1-1, p1; III: femur d1-1-1-1; patella d1, p1; tibia d1, v1-1-2, p2-2, r2-2; metatarsus d1-2, v1-2ap, p1, r1-1; IV: femur d1-1-1; patella p1; tibia d1-1-1, v1-1-1ap, p1-1-1, r1-1-1, metatarsus d1, v1-1, p1-1, r1-1. Tibia I: P1 inconspicuous; P2 with an apical strong spine; P3 with a with two apical spines, one slightly curved apically ( Fig. 23B View FIGURES 23 ). Metatarsus I with rounded basal spine ( Fig. 23B View FIGURES 23 ). Palp: palpal tibia 2x the size of cymbium, 3.5x longer than wide ( Fig. 17A View FIGURES 17 ); cymbium 2.5x longer than wide, with four apical spines ( Fig. 17A, B View FIGURES 17 ); palpal bulb elongated-oval, embolus short, straight with bend tip ( Fig. 17C View FIGURES 17 ).

Female: unknown.

Distribution. Ecuador: only found at the type locality.

Natural History. Specimens were collected by pitfall trap at 1290m in an evergreen foothill forest of the occidental Andean mountain range ( Guevara & Morales 2013).


Museo de Zoologia, Pontificia Universidad Catolica del Ecuador













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