Clothoda tocantinensis
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Ordo: Embioptera
Familia: Clothodidae
Genus: Clothoda
Name
Clothoda tocantinensis Krolow, Tiago Kütter, 2016 – Wikispecies link – Pensoft Profile
- Clothoda tocantinensis Krolow, Tiago Kütter, 2016, Zootaxa 4193: 185-186.
Materials Examined
Brazil Palmas
Diagnosis
Diagnosis. Males of C. tocantinensis sp. nov. can be readily distinguished from congeners by the following characters: head and body completely blackish brown except for the contrasting yellow prothorax; costal margin of wing cream-white, blackish-brown in C. amazonica and C. longicauda; left and right paraprocts more pointed than in C. nobilis; first segment of cercus shorter than second, subequal in C. longicauda.
Description
Description. Alate male (Figs. 1 A, B) (n = 3). Head width 2.3 (2.3‒2.4) mm X length 3.1 (2.9‒3.3) mm, body length 18.2 (17.8‒19.0) mm, forewing length 12.2 (11.9‒12.4) mm, hind wing length 11.2 (10.9‒11.4) mm. Head capsule blackish brown, elongate-oval (longer than broad), sides convergent. Eyes small, subreniform and grayish. Small dark yellow cranial spot, subequal to the eyes size. Antennae blackish brown, when complete 4‒5 most apical flagellomeres white (Figs. 1 A‒C); most antennae broken, two left antennae with 16 and 24 antennomeres (apical flagellomeres lost), one complete antenna with 26 antennomeres; three right antennae with 21, 25, 25 antennomeres, apical flagellomeres lost. All antennal segments with the distal portion (joint membranes) whitish. Clypeolabreal membrane pale, labrum blackish brown. Mandible slender, yellow, almost translucent, with black apex. Labial palpi and maxillary palpi with same color pattern of antenna, including the joint areas. Submentum trapezoidal with anterior margin slightly concave, mostly brown except light brown in the gular area. Gula with two groups of 5‒7 sparse setae (Fig. 1 D). Thorax bicolored, prothorax distinctly yellowish, mesothorax and metathorax are light brown. All legs blackish brown except for yellowish junctions. Hind basitarsus with two protuberant papillae (Fig. 1 F). Wings subequal (Fig. 1 E), predominantly brownish, except veins A, R and Cu distinctly blackish brown; some cells fenestrated. Vein C conspicuously pale. Vein R appearing divided into a double line with a translucent area. Abdomen light brown, with tergites 1–7 paler on posterior margin of each segment, rest of tergites darker. Terminalia symmetrical (dorsal view, Fig. 1 G). Ninth tergum strongly excavated in mid-posterior area, occupied by strong projection of the medial sclerite of tergum 10. Medial flap upturned (elevated). Left cercusbasipodite and right cercus-basipodite similar, strongly sclerotized in dorsal view. Left and right paraprocts subequal, elongated with rounded tip and exceeding the ninth sternum. Left and right cercus subequal and symmetric, first segment shorter and stout, second segment more elongate and slender. Length of second segment about 1.5x that of first segment. In ventral view (Fig. 1 H) ninth sternum sclerotized, medial process slightly asymmetrical, strongly cleft and covered with setae. Left and right paraprocts more sclerotized on anterior margins, sclerotization weaker at apex. Female. unknown.
Distribution
Distribution.Brazil (Tocantins). Brazil Tocantins Distrito de Taquarucu & T. K. Krolow & H. I. L. Lima
- Brazil Tocantins Distrito de Taquarucu & T. K. Krolow & H. I. L. Lima
.
Etymology
Etymology. The specific epithet refers to the State of Tocantins, where this species was collected.
Discussion
Discussion.C. tocantinensis sp. nov. is easily differentiated from all other species of Clothoda by the distinct yellowish prothorax. This conspicuous character was used by Ross (1987: 17) to diagnosis the monotypic genus Cryptoclothoda: uniformly blackish-brown except for contrasting golden prothorax. Despite this similarity in external appearance (Ross, 1987), our species is readily differentiated of Cryptoclothoda by the characters in Table 1.
Characters C. tocantinensis sp. nov.Cryptoclothoda Eyes small large, inflated Gula bearing few setae without setae Prothorax yellowish golden Caudal apex of tenth tergum (MF)curled dorsally not curled dorsally Tenth tergum (10)at most indistinctly cleft broadly cleft, forming two distinct caudal lobes Epiproct (EP)small, inconspicuous large, conspicuous Medial process of hypandrium (HP)slightly asymmetric, strongly cleft and covered by setae symmetric, short, with rounded apex It is important to note that with the description of C. tocantinensis sp. nov. some generic limits proposed by Ross (1987), may need revision, since characters such as prothorax color and tufted gular area appear to vary among and within the described genera. Furthermore, color appears to be the most distinctive character available to separate species of Clothoda; separation on clear morphological grounds might be more desirable and could further validate separation of species based on color patterns. Future studies of phylogeny including all genera of Clothodidae will be necessary to test monophyly of group and generic limits.
Taxon Treatment
- Krolow, Tiago Kütter; Valadares, Ana Carolina B.; 2016: First record of order Embioptera (Insecta) for the State of Tocantins, Brazil, with description of a new species of Clothoda Enderlein, Zootaxa 4193: 185-186. doi
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