The Lasioseius phytoseioides species group (Acari: Blattisociidae): new characterisation, description of a new species, complementary notes on seven described species and a taxonomic key for the group
Author
De Moraes, Gilberto J.
Author
Abo-Shnaf, Reham I. A.
Author
Pérez-Madruga, Yanebis
Author
Sánchez, Leocadia
Author
Karmakar, Krishna
Author
Ho, Chyi-Chen
text
Zootaxa
2015
3980
1
1
41
journal article
10.11646/zootaxa.3980.1.1
0d15dd19-aaf4-43d0-95b7-2696f099a650
1175-5326
288988
F388E8C4-EA77-4266-8AA4-789DBBA23AD7
Lasioseius punjabensis
Bhattacharyya & Sanyal
(
Figs 64–65
)
Lasioseius punjabensis
Bhattacharyya & Sanyal, 2002
: 53
.
Lasioseius
(
Cuspiacus
)
punjabensis
.—
Christian & Karg, 2006
: 226
.
Specimens examined.
holotype
female from soil and litter, at Seesh Mahal, Patiala, Punjab,
India
, collected
January 5, 1996
(by A.K. Bhattacharyya, according to information of the original description).
Adult female
.
Dorsum of idiosoma
(
Fig. 64
): dorsal shield 470 [395–423] long and 220 wide; podonotal region seemingly lightly reticulate, with 12 pairs of setae (
j2–j6
,
z2
,
z4
,
z5
,
s4
,
s5
,
r2
,
r3
); opisthonotal region distinctly reticulate, with ten pairs of setae (
J2
,
J4
,
J5
,
Z1
,
Z3–Z5
,
S3–S5
). Most dorsal shield setae relatively short, not reaching base of subsequent setae;
Z
and
S
setae progressively longer towards posterior end of opisthonotal region; except for
j4–J5
and
z5
, relatively robust. Lateral cuticle with three pairs of setae (
r5
,
R1
,
R5
). Setal lengths:
j2
24,
j3
28,
j4
24,
j5
31,
j6
26,
J2
20,
J4
22,
J5
18,
z2
36,
z4
36,
z5
36,
Z1
42,
Z3
66,
Z4
66,
Z5
84,
s4
46
,
s5
54
,
S3
48
,
S4
56
,
S5
64
,
r2
22,
r3
54,
r5
14,
R1
25,
R5
(not measured).
FIGURES 64–65.
Lasioseius punjabensis
. Holotype female: 64. Dorsal shield; 65. Genital and ventrianal shields.
Venter of idiosoma
(
Fig. 65
): sternal and genital regions not distinct because of the poor condition of the
holotype
. Ventrianal shield broad, 190 long and 200 wide at widest level, reticulate, bearing six pairs of opisthogastric setae (
JV1–JV4
,
ZV2
,
ZV3
) in addition to the circum-anal setae; anal opening small,
ca
. 28 long including frame. Unsclerotised cuticle around ventrianal shield apparently with one pair of opisthogastric setae (
JV5
). [Posterior portion of endopodal shield v-shaped between coxae III–IV]. Length of ventral setae:
JV1
16,
JV2
24,
JV3
23,
JV4
30,
JV5
54,
ZV2
24,
ZV3
24, para-anal 22 and post-anal 38.
Peritrematic plate and peritreme
: peritreme extending forward to region between
j2
setae.
Spermatheca
: could not be distinguished.
Legs
: leg IV with distinct macrosetae on genu (
ad2
) 48, basitarsus (
pd3
) 66, and telotarsus (
pd2
) 90.
Remarks.
In the original description, the author mentioned the presence of a short seta on the unsclerotised membrane at the level between
S4
and
S5
, which could be not seen in our examination of the
holotype
. Because of the poor condition of the
holotype
, it was not possible to determine the shape of the spermatheca or the presence of exopodal plates. The presence of macrosetae on leg IV, determined in our examination of the
type
specimen, differs from what was stated in the original description of this species. In the original description of
L
.
punjabensis
, the authors mentioned the setae along lateral margin of opisthonotal region of the dorsal shield to be serrate, showing the serration in their illustration. The serration is probably not very distinct, as it could not be noticed in our examination of the
holotype
.
Lasioseius malacca
seems very similar to
L
.
punjabensis
, except for the fact that
JV5
was not illustrated in the original description of
L
.
malacca
. However, we consider that to be probably an oversight of the authors, given the stability of this seta in the
Blattisociidae
. Given the previous remarks, it was not possible in this work to differentiate between this species and
L
.
malacca
, whose
holotype
could not be examined in this work. These are not synonymised because the shape of the spermatheca of
L
.
malacca
is unknown.