Checklist of Mesozoic Curculionoidea (Coleoptera) with description of new taxa
Author
Legalov, Andrei A.
text
Baltic Journal of Coleopterology
2010
10
1
71
101
journal article
10.5281/zenodo.13204570
1407-8619
13204570
496A6290-CFE2-46D4-94C7-D27780C409DF
Oxycorynoides
(
Oxycorynoides
)
gurvanensis
Legalov,
sp.n.
(
Fig. 2
)
Material
.
Holotype
– ex. (
PIN ¹
3149/980),
Western Mongolia
,
Gobi-Altay
ajmag, SW of
Ikhes-Nuur Lake
and
Darbi-Somon
settlement,
Lower Cretaceous
,
Lower Neocomian
,
Gurvan-Eren Formation
, Zereg Formation.
Description
. Body light brown. Rostrum long, 5.48 times longer than the width, 1.47 times longer than pronotum, equal width on profemora. Frons convex, narrow. Eyes not large, almost round. Temples shorter than eye. Pronotum weakly elongated, with lateral carina. Disk, probably, largely punctate. Elytra weakly convex, with distinct striae. Intervals wide, possibly, weakly convex. Procoxa located near the prothorax basis. Precoxal part of the prothorax elongated. Metathorax wide. Femora weakly widened. Length of the extant part of body:
2.5 mm
.
Figs. 1-6. Curculionoidea gen. spp.: 1 –
Buryatnemonyx gratshevi
(PIN ¹ 5026/41), 2 –
Oxycorynoides gurvanensis
(PIN ¹ 3149/980), 3 –
Archaralites zherichini
(PIN ¹ 2055/34), 4 –
Selengarhynchoides sharyngolensis
(PIN ¹ 4306/2), 5 –
Cretoxenoides erdeniensis
(PIN ¹ 4300/1), 6 –
Gobicar ulugeiensis
(PIN ¹ 4288/362). Scale 1.0 mm.
Diagnosis
. This new species differs from
Oxycorynoides mongolicus
Zherikhin, 1986
by the stronger widened basis of the rostrum, smaller eyes and larger punctate pronotum.
Etymology
. The name is derived from the location “Gurvan” –
“gurvanensis
”.
Distribution
. Gurvan-Ereny-Nuruu.