Mysmenopsis atahualpa Baert, 1990

Dupérré, Nadine & Tapia, Elicio, 2020, Megadiverse Ecuador: a review of Mysmenopsis (Araneae, Mysmenidae) of Ecuador, with the description of twenty-one new kleptoparasitic spider species, Zootaxa 4761 (1), pp. 1-81 : 64

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Mysmenopsis atahualpa Baert, 1990


Mysmenopsis atahualpa Baert, 1990

Figs 180–189 View FIGURES 180–184 View FIGURES 185–189 , map 3 (yellow diamond).

Mysmenopsis atahualpa Baert, 1990 b: 13 , f. 27-32 (Description male and female).

Type material. Male holotype and female allotype from Loreto, Jenaro Herrea , río Ucayali, 04°55’S - 77°45’W (together with M. huascar ) (27 Aug. 1988; D. Silva). Not examined GoogleMaps .

Material examined. Ecuador: Napo Province: Misahualli, Via Arajuno Misahualli, Via Arajuno (-01.090117 -77.543352) 458m, 19 May. 2019, 15♂ 17♀, in Lycosidae web, E.E. Tapia ( ZMH-A 0001879-1880, DTC, QCAZ). Pastaza Province: Carretera Puyo-Macas, Puente Rio Pastaza (-01.922673 -77.813055) 785m, 19 May 2019, 3♀, in Linothele web, E.E. Tapia ( DTC). Sucumbios Province: Rio Aguarico (-00.06647 -76.90675) 350m, 29 Apr. 2016, 1♂, in Dipluridae , Linothele web, E.E. Tapia, N. Dupérré. A.A. Tapia ( QCAZ).

Diagnosis. Males are easily distinguished from all species by their large, semi-transparent sickle shaped embolic apophysis ( Fig. 187 View FIGURES 185–189 ) and hook-shaped paracymbium prolatero-dorsally ( Fig. 186 View FIGURES 185–189 ). Females most resemble M. viracocha but can be distinguished by the series of short spines on metatarsus I ( Fig. 184 View FIGURES 180–184 , arrow) absent in the latter species and dorsal plate anterior margin with large sclerotized plates ( Fig. 189 View FIGURES 185–189 ) and small oval spermathecae with large copulatory ducts ( Fig. 189 View FIGURES 185–189 ), without larger sclerotized plates, spermathecae larger and longer fertilization ducts in the latter species ( Baert, 1990, fig.4).

Description. Male and female: see Baert 1990, figs 170–180.

Distribution. Ecuador and Peru.

Natural history. In Ecuador, the specimens were collected in Linothele sp. and Aglaoctenus sp. ( Lycosidae ) web in the Amazonian ecoregion between 350- 785m. The species was found in evergreen foothill forest of the Northeastern Andes in the Amazonian ecoregion (BsPn03) ( Guevera, Mogollón, Cerón & Josse, 2013) to the lowland evergreen forest of the Napo-Cuaray region (BsTa02) ( Guevera, Pitman, Mogollón, Cerón & Palacios, 2013) and the Aguarico-Putumayo-Caquetá region (BsTa01) ( Guevera, Pitman, Cerón & Mogollón, 2013). In Ecuador, M. atahualpa was found in sympatry with M. salazarae n. sp. and M. shushufindi n. sp. in Sucumbios Province. In Pastaza province it was found with M. salazarae n. sp. and M. bartolozzi n. sp. and in Napo province with M. penai n. sp. and M. amazonica n. sp.


Museo de Zoologia, Pontificia Universidad Catolica del Ecuador














Mysmenopsis atahualpa Baert, 1990

Dupérré, Nadine & Tapia, Elicio 2020

Mysmenopsis atahualpa

Baert 1990: 13