A taxonomic monograph of subfamily Scolytinae (Coleoptera: Curculionidae) in the Western Himalaya
Author
Buhroo, Abdul Ahad
0000-0002-9576-1165
Section of Entomology, Department of Zoology, School of Biological Sciences, University of Kashmir, Srinagar- 190006 India abuhroo @ yahoo. com; https: // orcid. org / 0000 - 0002 - 9576 - 1165
abuhroo@yahoo.com
text
Zootaxa
2024
2024-10-31
5533
1
1
82
http://dx.doi.org/10.11646/zootaxa.5533.1.1
journal article
10.11646/zootaxa.5533.1.1
1175-5334
14023339
F48DF7EE-7DED-49D3-96A5-620881E3AB36
25.
Hylurgus indicus
Wood, 1985
(
Figure 33
)
This species is diagnosed by the following morphological characters:
♀
frons strongly convex, coarsely tuberculate and without transverse impression just below middle; epistoma with medium carina of uniform height; vestiture of long, abundant hairs, and a fringe of hairs on the epistomal margin; eyes entire, elongately oval; antennal funicle with six segments, club ovate with three recurved sutures; pronotum rather quadrate, 1.05× as long as wide; sides somewhat parallel, slightly narrowing anteriorly; surface dull, with small, close, deeper punctures and a median longitudinal raised line; vestiture of moderately abundant long hairs; elytra 1.7× as long as pronotum, 1.8× as long as wide; elytral base substraight equal in width to pronotal base, sides parallel up to basal three-fourths with evenly rounded apex, elytral surface dull rather transversely wrinkled; striae weakly impressed, strial punctures moderately large, distinct, set apart about a diameter of a puncture; interstriae slightly wider than striae, with very small, close, punctures; interstrial vestiture of erect setae mostly in rows both disc and declivity; body dull reddish brown; body length:
3.2 mm
, 2.96× as long as wide.
FIGURE 33.
Hylurgus indicus
. Paratype female: dorsal view
A
, lateral view
B
, frons
C
.
Male: Not studied.
Remarks: This species strongly resembles
H. micklitzi
Watchl, 1881
but differs from it by smaller size and absence of a frontal tubercle.
Hylurgus indicus
also differs both from
H. ligniperda
and
H. micklitzi
by absence of tuft of hair-like setae on elytral declivity in female.
Material examined:
Paratype
♀
in FRI Dehradun. Type locality:
Kumaon Hills, W
. Almora,
Uttarakhand
,
India
Distribution:
India
: Kumaon Hills, W. Almora (
Uttarakhand
)
Hosts:
Pinus roxburghii
(
Pinaceae
)
Genus
Xylechinus
Chapuis, 1869
Xylechinus
species
are diagnosed by the following morphological features: body length:
1.5–3.5 mm
; antennal funicle with five segments; club with three sutures; anterior margin of eye slightly emarginate or sinuate; frons usually with median carina above the epistoma; pronotum usually wider than long, unarmed; pronotum with recumbent, filliform setae; scutellum small; metepisternal setae scale-like; elytral basal margin armed by a row of coarse crenulations; filliform setae of 1
st
interstria lighter, and more closely distributed than other interstriae; declivity convex, with small granules and vestiture of small scale-like setae and sparse long, light, semi-erect, thick bristles; host: deciduous trees.