摘要
本文记述维螨属１新种：汤旺河维螨Ｖｅｉｇａｉａｔａｎｇｗａｎｇｈｅｎｓｉｓｓｐ．ｎｏｖ．。
Veigaia tangwanghensis, sp. nov. (Figs.1～12) ♀. Body yellow, oval,
689 μm long and 517 μm wide. Dorsal shield is separated into two regions by lateral
incisions, anterior region with 21 pairs of simple setae, of which F 1, M 2, D 1 and D 3 the
longest and F 2, F 3, T 1, ET 1, ET 2 and M 1 the shortest, D 4 slightly shor ter than D 5, I
1 equal to D 5 in length, M 3 off the shield; posterior region with 18～20 pairs of simple setae,
their end beyond bases of next setae. Presternal shields 2 pairs. Sternal shield with 3 pairs of
setae and 2 pairs of pores. Metasternal setae and the 3rd pair of pores situa ted on
metasternal shield. Genital shield with 2 pairs of setae. Punctiform organ with about 10 pits in
two rows. Lateral margins of ventral shield concave, posterior margin straight or concave, with
3 pairs of short setae and 2 pairs of long setae on the shield. Anal shield with 3 setae, Ad
situated before level of posterior margin of anus, PA very short. Cuticle between ventral and
anal shields with one pair of very small setae. Peritrematal shield free posteriorly, parastigmal
seta situated on cuticle between stigma and ventral shield. Medial projection of tectum Y
shaped, lateral projections with some small teeth laterally. Chela long, movable and fixed digits
each with 2 small teeth near to the ends. Seta al of palpfemur spiniform, al 1 and al 2 of
palpgenu club shaped and comb shaped respectively. The new species near to Veigaia
uncata Farrier, 1957 and Veigaia tibbetsi Farrier, 1957, but in the new species leg Ⅳ
without spur, dorsal seta D 4 longer than half of D 5; however trochanter Ⅳ and femur Ⅳ of
Veigaia uncata with spurs, D 4 of Veigaia tibbetsi shorter than half of D 5. Holotype ♀,
paratypes 1♀ and 10 deutonymphs, from forest soils, in Liangshui Na tural Preserve (47°10
′N, 128°53′E), Yichun City, Heilongjiang Province, Ⅷ-1995, Ⅹ-1995 and Ⅷ-1996. Type
specimens are deposited in the National Base of Plague and Brucellosis Control, Baicheng
City, Jilin Province. The new species is named in the Tangwanghe River.
关键词
蜱螨亚纲
维螨科
维螨属
新种
Acari,
Veigaiaidae, Veigaia, new species
