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- Intestinarius kuzmini Kurbatov, 2007: 283
Mengyang Nature Reserve, South Yunnan Province, Southwest China.
(13 ♂♂, 9 ♀♀). 4 ♂♂ (1 ♂ with only aedeagus remained in Euparal), 2 ♀♀, labelled ‘CHINA: yunnan Prov. / Na-Ban-He N. R. / Xiao-nuo-you-xia-zhai / 20.ix.2008, alt. 950 m / HU & TANG leg.’; 5 ♂♂, 5 ♀♀, same, but ‘9.ix.2008, alt. 1,500 m’; 3 ♂♂, same, but ‘Man-fei / 18.ix.2008, alt. ca. 600 m’; 1 ♀, same, but ‘Guo-men-shan / 21.xi.2008, alt. ca 1,000 m / HU & TANG leg.’; 1 ♂, same, but ’08.v.2009, alt. 1,200 m / HU & YIN leg.’; 1 ♀, same, but ‘05.i.2004 / LI & TANG leg.’.
Measurements: male (female). BL 2.55–2.61 (2.42–2.57), HL 0.56–0.58 (0.55–0.56), HW 0.51–0.52 (0.50–0.51), PL 0.57–0.58 (0.56–0.57), PW 0.56–0.57 (0.55–0.56), EL 0.81–0.82 (0.73–0.75), EW 0.89–0.92 (0.90–0.92), AL 0.61–0.63 (0.58–0.69), AW 0.83–0.85 (0.86–0.88). Length of aedeagus 0.52. Width of female genitalia 0.28.
Eyes of male comprised of about 25 facets, of female of about 15 facets.
Detailed description of Intestinarius kuzmini refers to Kurbatov 2007: 283–284. Additional illustrations of the following major diagnostic characters are provided. Male: head and pronotum (Fig. 4), left antenna (Fig. 7), modified mesotibia (Fig. 10) and metatrochanter (Fig. 13), tergite VII (Fig. 23–24), tergite VIII (Fig. 25), sternite VIII (Fig. 26), sternite IX (Fig. 27) and aedeagus (Figs 28–30). Female: tergite VIII (Fig. 41), sternite VIII (Fig. 42) and genitalia (Figs 47–48).
Known from Meng-yang and Na-ban-he Nature Reserves of Yunnan Province, Southwest China.
Intestinarius kuzmini is similar to its Chinese congeners with respect to the sexually modified tergite VII and metatrochanter. Male of this species may be distinguished by having long apical tooth on mesotibiae, by the shape of modified metatrochanter and by the shape of aedeagus; females may be identified based on the shape of tergite VIII, sternite VIII and genitalia.
Seven females out of nine studied have tergite VII with short, blunt to long, sharp median protuberance, but all morphological characters including genitalia are identical also with those two specimens lacking modified tergite VII. Thus, we believe that in some species of Intestinarius, females are most probably polymorphic in this character. (see also remarks under Intestinarius guangdongensis).
- Yin, Z; Li, L; Zhao, M; 2011: On the Chinese species of the genus Intestinarius Kurbatov (Coleoptera, Staphylinidae, Pselaphinae) ZooKeys, 116: 15-24. doi
- Kurbatov S (2007) Revision of the genus Intestinarius gen. n. from Southeast Asia, with notes on a probable autapomorphy of Batrisitae (Coleoptera: Staphylinidae: Pselaphinae). Russian Entomological Journal 16 (3):281-295.