Telebasis pallida, Angelo B. M. Machado, 2010

Angelo B. M. Machado, 2010, Seven new species of Telebasis from Brazil (Odonata: Coenagrionidae), Zootaxa 2384, pp. 53-64: 59

publication ID

http://doi.org/ 10.5281/zenodo.200433

persistent identifier

http://treatment.plazi.org/id/8E4D8785-6B35-FF9F-FF41-FC46FA259243

treatment provided by

Plazi

scientific name

Telebasis pallida
status

sp. nov.

Telebasis pallida   sp. nov.

Figures 17 View FIGURES 13 – 21 , 26 View FIGURES 22 – 30

Etymology: From latin pallida   , pale, an allusion to the entirely pale color of the species.

Type specimen. Holotype ♂, BRAZIL, Mato Grosso State, Xavantina, 14° 40'S, 52° 21' W, 311m, xii- 1962, M. Alvarenga and A. Oliveira leg, deposited in ABMM.

Description. Male holotype. Head. Labium, genae, base of mandibles and border of labrum whitish yellow, remainder of labrum, and face yellow; upper part of head including antennifer and scape light brown; rear of head yellowish white. Thorax. Prothorax and mesopleuron light brown, metapleuron whitish yellow; an elongated dark brown spot at upper part of humeral and interpleural sutures continuing as a line along humeral suture; middorsal carina light brown flanked by a very narrow dark brown stripe. Legs whitish yellow, wings hyaline. Px in FW8, in HW 7. R3 arising near Px 5 in FW, Px 4 in HW; anal vein separating from wing margin at CuP in FW and slightly proximal to it in HW; pterostigma brown surmounting one cell. Abdomen. S1 yellowish; S2 dorsally orange, laterally yellow; S3-7 missing, S8–10 reddish orange. Appendages brownish orange.

Structural characters. Hind prothoracic lobe smoothly rounded. Cercus in lateral view ( Fig. 17 View FIGURES 13 – 21 ) half as long as S10, subequal to paraproct, with a disto-ventral tooth. In medio-dorsal view ( Fig. 26 View FIGURES 22 – 30 ) with a ventroapical tooth. Paraproct with a dorsal concavity and blunt tip ( Figs. 17 View FIGURES 13 – 21 , 26 View FIGURES 22 – 30 ). Penis missing.

Dimensions. Abdomen (measured before S3–S7 accidentally lost) 22.3; HW 14.2

Female. Unknown.

Remarks. This species, like T. lenkoi   , T. pareci   and T. racenisi   is notable for complete absence of dark markings on the thorax. Keys to M-5, couplet 2,' in Garrison (2009) from which the following couplet can be inserted:

2.5. Mesepisternum lacking black stripe, Brazil, Mato Grosso State................................................................... T. pallida  

2.5´. Mesepisternal median black stripe well-developed..................................................................................................... 3