Uropoda bengalica, Kontschán, Jen Ő, 2012

Kontschán, Jen Ő, 2012, New Uropodina mites from India (Acari: Mesostigmata), Zootaxa 3518, pp. 25-44: 31-32

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http://doi.org/ 10.5281/zenodo.210709

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scientific name

Uropoda bengalica

sp. nov.

Uropoda bengalica  sp. nov.

( Figs 22–32View FIGURES 22 – 27View FIGURES 28 – 32)

Material examined. Holotype. India, Debrapani, Darheeling District, West Bengal, extracted from litter in indigenous wood, 30 May 1980, Gy. Topál coll. ( HNHM). Paratypes. One male in MHNG, one female on slide in HNHM. Locality and date same as in holotype.

Description. Female. Length of idiosoma 420–430 µm, width 360–370 µm (n= 2). Shape of body circular.

Dorsal idiosoma ( Fig. 22View FIGURES 22 – 27). Dorsal and marginal shields fused anteriorly, all dorsal setae short (ca. 7–9 µm), smooth and needle-like ( Fig 23View FIGURES 22 – 27). Dorsal shield covered with oval pits, with very small pits between larger pits ( Fig. 23View FIGURES 22 – 27). Marginal shield bearing smooth and needle-like setae (ca. 7–8 µm), its surface smooth.

Ventral idiosoma ( Fig. 24View FIGURES 22 – 27). Surface of sternal shield mostly smooth, with oval pits near its anterior margin. Five pairs of smooth, short (ca. 4–6 µm), needle-like sternal setae present, St 1 placed near anterior point of genital shield, St 2 at level of posterior margin of coxae II, St 3 at central level of coxae III, St 4 at level of anterior margin of coxae IV, St 5 near basal edges of genital shield. Four pairs of ventral setae and two pairs of adanal setae similar in shape and length to sternal setae, postanal seta absent. Anal opening rounded. Pedofossae deep, their surface smooth, without separate furrows for tarsi IV. Genital shield long, narrow and linguliform, anteriorly pointed, its surface covered by oval pits. Stigmata situated between coxae II and III, post-stigmatal part of peritremes absent, pre-stigmatal area long, apically hook-shaped ( Fig. 25View FIGURES 22 – 27). Tritosternum with triangular base, laciniae divided into three branches ( Fig. 26View FIGURES 22 – 27).

Gnathosoma  ( Fig. 26View FIGURES 22 – 27). Hypostomal setae h 1 long (ca. 36 µm), apically pilose, h 2 short (ca. 16 µm), smooth, h 3 long (ca. 22 µm), marginally serrate, h 4 short (ca. 15 µm) and smooth. Corniculi short and horn-like, internal malae longer than corniculi, smooth. Epistome marginally pilose. Fixed digit of chelicera longer than movable digit, bearing a bulbiform sensory organ, movable digit with one central tooth, internal sclerotised node absent ( Fig. 27View FIGURES 22 – 27).

Legs. First leg without ambulacral claws, all setae on legs smooth and needle-like ( Figs 28–31View FIGURES 28 – 32).

Male. Length of idiosoma 440 µm, width 370 µm (n= 1). Shape and dorsal idiosoma as in female.

Ventral idiosoma ( Fig. 32View FIGURES 28 – 32). Five pairs of short (ca. 5–6 µm) needle-like sternal setae present. St 1 inserted at level of posterior margin of coxae II, St 2 at central level of coxae III, St 3 at level of anterior margin of coxae IV, St 4 near lateral margin of genital shield, St 5 near posterior margin of genital shield. Sternal shield covered by oval pits between St 1 and St 3. One pair of sensory organs can be found between St 1 and St 2. Genital shield oval, without sculptural pattern and situated between pedofossae of legs IV.

Gnathosoma  . As in female.

Etymology. The name of the new species refers to the region (Bengal) of India where it was collected. Notes. Following Hirschmann's (1972 b) division of the genus Uropoda  , I place the new species into the Uropoda penicillata  -group. Up to now six species are known in this group ( U. complicata (Berlese)  , U. garciai Hirschmann & Hiramatsu  , U. indonensis Hiramatsu  , U. micherdzinskii Hirschmann  , U. penicillata Hirschmann & Zirngiebl-Nicol  and U. penicillatasimilis Hirschmann  ). The common characters within this species group are the pilose h 1 setae, circular idiosoma, hook-shaped prestigmatal part of the peritreme, and the narrow and pointed genital shield of the female. The characteristic differences between the species of this group are presented in Table 2. Uropoda complicata (Berlese)  is missing from Table 2, because most of the characters of this species are lacking from the original description and illustration ( Berlese 1905). However, this species differs from the new one on the basis of the smooth surface of genital and ventral shields, which are ornamented in U. bengalica  .


Hungarian Natural History Museum (Termeszettudomanyi Muzeum)


Museum d'Histoire Naturelle