Zavreliella kambeba, Fusari, Lívia Maria, Pinho, Luiz Carlos & Lamas, Carlos José Einicker, 2017

Fusari, Lívia Maria, Pinho, Luiz Carlos & Lamas, Carlos José Einicker, 2017, New species and records of Zavreliella Kieffer, 1920 from Neotropical region (Diptera: Chironomidae), Zootaxa 4221 (4), pp. 486-490: 487-488

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Zavreliella kambeba

sp. n.

Zavreliella kambeba   sp. n.

( Figures 1–3 View FIGURES 1 – 3. 1 )

Type material: Holotype, 1 male, BRAZIL, Amazonas, Manaus, Reserva Biológica de Cuieiras—ZF2, 02°38’10.0” S 60°09’11.3” W, light trap, 14–15.vii.2008, coll. P.V. Cruz, G. P. S. Dantas, J. F. Barbosa ( MZUSP) GoogleMaps   . Paratype: 3 males, same data as holotype ( MZUSP) GoogleMaps   .

Etymology. The name refers to Kambeba   people, a native ethnic group who lives in the region where the typeseries was found. It must be regarded as a noun in apposition.

Diagnosis. The species is distinguished from other Zavreliella   species by the combination of the following characters: the anal tergite with many setae in median region; the superior volsella broadly digitiform, with microtrichia present on the base; and the inferior volsella simple, cylindrical, with curved apex.

Description. Male (n = 4). Total length 2.89–3.22 mm. Wing length 1.05–1.53 mm. Total length / wing length 1.9–2.1. Wing length / length of profemur 1.9–2.1.

Colouration. Head light brown. Thorax dark brown; halteres light brown; wing without macula. Legs as in Figure 1 View FIGURES 1 – 3. 1 . Abdominal segments light brown.

Head. Eyes bare. Frontal tubercles absent. Antenna lost. Temporal setae 10. Clypeus with 21–25 setae. Tentorium 120–134 µm long. Palpomere lengths 1–2 (in µm): 51, 40, remaining ones lost.

Wing. VR 1.34–1.35. Brachiolum with 1 seta and 20 sensilla. R with 5 setae; remaining veins bare. Squama bare. Anal lobe weak.

Thorax. Scutum without tubercle. Dc 1–2; Ac 5–7; Pa 3–4 and Scts 4.

Legs. Scale of foretibia 37–49 µm long, triangular and without spur, apex of foretibia with three setae long and thick. Spur of mid tibia 59–67 µm long. Spur of hind tibia 68–69 µm long. Lengths (in µm) and proportions of legs as in Table 1.

Hypopygium ( Figs. 2 and 3 View FIGURES 1 – 3. 1 ). Tergite IX with 15–19 median setae and 11 setae in posterior margin. Anal tergite bands broadly separated medially. Anal point 32–47 µm long, slender, apically rounded. Phallapodeme 78–83 µm long, transverse sternapodeme 21–44 µm long. Gonocoxite 127–131 µm long. Superior volsella broadly digitiform 46–82 µm long. Inferior volsella curved 106–129 µm long. Gonostylus 107–112 µm long. HR 1.13–1.22; HV 2.58– 3.01.

Female and immatures. Unknown.

Remarks. Z. kambeba   is the thirteenth species recorded from the Neotropical region. The adult male of this species is distinct in colouration pattern of legs: on the fore legs, it is similar to Z. brauni Reiss, 1990   and Z. fittkaui Reiss, 1990   , while on the mid- and hind legs it is similar to Z. verrucosa Reiss, 1990   .

Distribution. Brazil (Amazonas).

Discussion. Reiss (1990) proposed three groups for the genus ( marmorata   , acuta   and furcata   plus Z. longiseta   incertae sedis), thus the presently described Z. kambeba   fits the acuta   -group by having the inferior volsella simple (single-lobed), the superior volsella without lateral lobes and in the presence of acrostichals.


Museu de Zoologia da Universidade de Sao Paulo