Neotrombicula Hirst, 1925

Stekolnikov, Alexandr & Daniel, Milan, 2012, 3216, Zootaxa 3216, pp. 1-104 : 41

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scientific name	Neotrombicula Hirst, 1925
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Genus Neotrombicula Hirst, 1925

Trombicula (Neotrombicula) Hirst, 1925: 60 .

Neotrombicula, Womersley & Audy 1957: 267 ; Vercammen-Grandjean 1960: tabl.; Kudryashova 1979: 48; Vercammen- Grandjean & Kolebinova 1985: 68; Kudryashova 1998: 173; Fernandes & Kulkarni 2003: 266.

Type species: Acarus autumnalis Shaw, 1790 , by monotypy.

Diagnosis. SIF = 7BS-N(B)-3-(1–3)111.(0–3)(0-2)0(0–1); fPp = B/B/N(B)N(B)B(N); fCx = 1.1(2).1(2); fSt = 2.2(4). Eyes 2 + 2. Scutum nearly pentagonal, rarely hexagonal, with rounded posterior margin, without anterolateral shoulders. Sensilla flagelliform, usually branched in distal part.

Hosts. Mammals, birds, rarely reptiles.

Distribution. Worldwide, mainly in Holarctic zone.

Species included. About 150.

Remarks. Authors of the last revision of Neotrombicula ( Vercammen-Grandjean & Kolebinova 1985) significantly expanded this genus by including some genera closely related to it (e.g. Hirsutiella and Hoffmannina Brennan and Jones, 1959 ). In their system, Neotrombicula comprises 11 subgenera. According to Kudryashova (1998), this taxonomic decision increased the artificial nature of the genus. She considered Neotrombicula only in sensu stricto, with three subgenera differing in the presence of additional mastisetae on leg III: Neotrombicula posess only 1 (rarely 0) mastitarsala; Digenualea Vercammen-Grandjean, 1960 always posess 1 mastifemorala, 1 mastitibiala and 1–3 mastitarsalae; Polymasticula Vercammen-Grandjean and Kolebinova, 1985 has 1–2 mastitibialae, 1–3 mastitarsalae, but has no mastifemorala. Stekolnikov (2000) proposed, in addition, a new subgenus Iranotrombicula , for the group of 5 closely related species, but he had not considered the taxonomic structure of Neotrombicula in full. Fernandes and Kulkarni (2003) also do not follow the system of Vercammen-Grandjean and Kolebinova (1985) and do not use any subgeneric distinction of Neotrombicula at all. Here we also omit subgeneric names, implying that only thorough and complete new revision of this large chigger genus may constitute the base for its rational subdivision.

References

Brennan, J. M. & Jones, E. K. (1959) Keys to the chiggers of North America with synonymic notes and descriptions of two new genera (Acarina: Trombiculidae). Annals of the Entomological Society of America, 52, 7 - 16.

Fernandes S. J., S. & Kulkarni, S. M. (2003) Studies on the trombiculid mite fauna of India. Records of the Zoological Survey of India, Occasional Paper, 212, 1 - 539.

Hirst, S. (1925) The adult form of the harvest bug . Nature, 116, 609.

Kolebinova, M. G. (1985) Trombiculidae larvae (Acarina, Trombiculidae) parasitizing on rodents from genus Apodemus Kaup in Bulgaria. Acta Zoologica Bulgarica, 27, 21 - 26. [In Bulgarian]

Kudryashova, N. I. (1979) The contemporary state of study of trombiculid mites (Acariformes, Trombiculidae) of the USSR fauna. Itogi Nauki i Tekhniki, Zooparazitologiya, 5, 5 - 112. [In Russian]

Kudryashova, N. I. (1998) Chigger mites (Acariformes, Trombiculidae) of East Palaearctics. KMK Scientific Press, Moscow, 342 pp. [In Russian]

Shaw, G. (1790) The autumnal acarus or harvest-bug. In: Shaw, G. & Nodder, F. P. The naturalist's miscellany, London, pl. 42.

Stekolnikov, A. A. (2000) A new subgenus and species of the chigger mite genus Neotrombicula (Acari: Trombiculidae). Acarologia, 40, 407 - 412.

Vercammen-Grandjean, P. H. (1960) Introduction a un essai de classification rationelle des larves de Trombiculinae Ewing, 1944 (Acarina: Trombiculidae). Acarologia, 2, 469 - 471.

Vercammen-Grandjean, P. H. & Kolebinova, M. G. (1985) Revision of Neotrombicula complex (Acarina, Trombiculidae). Acta Zoologica Bulgarica, 29, 65 - 78.

Womersley, H. & Audy, J. R. (1957) Malaysian Parasites XXVII. The Trombiculidae (Acarina) of the Asiatic-Pacific region: a revised and annotated list of the species in Womersley (1952), with descriptions of larvae and nymphs. Studies from the Institute for Medical Research, Federation of Malaya, 28, 231 - 296.