Species of Euphthiracarus (Acari: Oribatida: Euphthiracaridae) from China
Author
Liu, Dong
Author
Wu, Donghui
Author
Chen, Jun
text
Zootaxa
2011
2752
45
61
journal article
10.5281/zenodo.276680
20635167-8fbe-495d-82c6-0492929c48d7
1175-5326
276680
Euphthiracarus cribrarius
(
Berlese, 1904
)
(
Figs. 26–29
)
Phthiracarus cribrarius
Berlese, 1904
: 23
;
Bernini, 1969
: 391
.
Euphthiracarus cribrarius
:
Grandjean, 1967
: 250
;
Niedbała, 1993
: 45
; 2001a: 299; 2008: 120.
Euphthiracarus
(
Euphthiracarus
)
cribarius:
Niedbała, 2000
: 139
. (misspelling)
Material examined.
Five adults (in alcohol, T0160),
China
: Shaanxi Province, Foping County (
33°31'28"N
,
107°59'19"E
), south slope of Qinling Mt., Daoliushui, from litter under bamboo,
17 Nov.
, 1995, leg. Zhi-Gao Zeng. New record for
China
.
Measurements.
Prodorsum: length 359–362, width 240–249, height 124–139, setae:
ss
148,
in
180,
le
110,
ro
100,
ex
34, distance between setae:
ro -ro
65,
in -in
107,
le -le
50,
in -le
118,
le -ro
70; notogaster: length 741–760, width 440–510, height 430–479; setae:
c1
150,
c2
140,
c3
100,
c p
100,
d1
100,
d2
90,
e1
120,
e2
100,
h1
150,
h2
125,
h3
95,
ps1
150,
ps2
120,
ps3
95; distance between setae:
c1-d1
190,
d1-e1
200,
e1-h1
165,
h1-ps1
115; ventral region: genitoaggenital plate 310×110, anoadanal plate 335×60.
Description.
Surface of body punctate. Prodorsum with two parallel lateral carinae on each side, upper carina stronger; sensilli long and setiform, sparsely barbed in distal half; interlamellar and lamellar setae robust, erect, covered with small spines in distal half; rostral setae rough, semi-erect, thinner than lamellar setae, curved and flagellate at distal end; exobothridial setae short and fine; comparative length:
in>ss
>
le
>
ro>ex
. Notogaster with 14 pairs of setae, covered with small spines in distal half; vestigial setae
f1
located anteriorly of setae
h1
. Genital plates with nine pairs of setae,
g1-3
fine, located in progenital position, other setae thick and slightly long; two pairs of aggenital setae present,
ag1
minute,
ag2
thick and more than four times as long as
ag1
; three pairs of anal and three pairs of adanal setae present, setae
an1
and
an2
smooth and flagellate at distal end, setae
an3
and adanal setae shorter, robust and covered with small spines in distal half; lyrifissures
iad
situated between setae
an3
and
ad3
. Setae
h
of mentum longer than distance between them; palps three-segmented with setal formula: 2-2-8(1). Chaetotaxy of legs (without tarsi): I: 1-2-4(2)-5(1); II: 1-3-3(1)-5(1), III: 2-2-2(1)-2(1), IV: 2-1-1(1)-2(1); all legs heterotridactylous.
Distribution.
China
(Shaanxi), Holarctic Region.