Tetragnatha exilima ( Mello-Leitão, 1943 ),

Castanheira, Pedro De Souza & Baptista, Renner Luiz Cerqueira, 2020, Notes on slender species of the long-jawed spider genus Tetragnatha (Araneae Tetragnathidae) with description of three new species, Zootaxa 4768 (1), pp. 43-75: 71

publication ID

http://doi.org/ 10.11646/zootaxa.4768.1.4

publication LSID

lsid:zoobank.org:pub:urn:lsid:zoobank.org:pub:7D766650-C568-433F-B087-D7EF7BEB1523

DOI

http://doi.org/10.5281/zenodo.3795474

persistent identifier

http://treatment.plazi.org/id/390B87EA-FF94-FF9A-FF5A-ACAAFB6AF82F

treatment provided by

Plazi

scientific name

Tetragnatha exilima ( Mello-Leitão, 1943 )
status

 

Tetragnatha exilima ( Mello-Leitão, 1943)  nomen dubium

( Figs 16A, BView FIGURE 16)

Cyrtognatha exilima Mello-Leitão, 1943: 176  (Holotype female immature from Rio Grande do Sul, Brazil, Pe. B. Rambo coll., deposited in MNRJ 41757, poorly preserved, left chelicerae dissected and genital area previously dissected but lost, examined).

Cyrtognatha exilima Brignoli, 1983: 221  (lapsus).

Tetragnatha exilima Dimitrov & Hormiga, 2009: 100  , fig. 65A–E.

Notes. Mello-Leitão (1943) described this species under the genus Cyrtognatha Keyserling, 1881  and did not present any illustrations of the specimen he described. Dimitrov & Hormiga (2009) redescribed this species, giving modern illustrations and ascribed it to Tetragnatha  . However, its chelicerae apparently belong to an immature specimen ( Fig. 16AView FIGURE 16) and the vulva illustrated by Dimitrov & Hormiga 2009 (fig. 65A) does not seem to belong to a fully grown female. This specimen is small and with a pretty small, undeveloped chelicera bearing only a few teeth at both rows, all characters compatible with a juvenile spider. The spermathecae and central sac are very small and seem not completely developed, suggesting a subadult female. Besides, we examined hundreds of Tetragnatha  specimens from all over Rio Grande do Sul and nearby localities and have not found any other compatible adult specimen. Summing up, we are not able to identify this species and consider it a nomen dubium.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Tetragnathidae

Genus

Tetragnatha

Loc

Tetragnatha exilima ( Mello-Leitão, 1943 )

Castanheira, Pedro De Souza & Baptista, Renner Luiz Cerqueira 2020
2020
Loc

Tetragnatha exilima

Dimitrov, D. & Hormiga, G. 2009: 100
2009
Loc

Cyrtognatha exilima Mello-Leitão, 1943: 176

Mello-Leitao, C. F. de 1943: 176
1943