Euwallacea gravelyi


  Euwallaceai gravelyi  lateral; R.K. Osborn

Euwallaceai gravelyi lateral; R.K. Osborn


  Euwallaceai gravelyi  dorsal; R.K. Osborn

Euwallaceai gravelyi dorsal; R.K. Osborn


  Euwallaceai gravelyi  declivityl; R.K. Osborn

Euwallaceai gravelyi declivityl; R.K. Osborn


  Euwallaceai gravelyi  frontal; R.K. Osborn
Euwallaceai gravelyi frontal; R.K. Osborn

Taxonomic history

Xyleborus gravelyi Wichmann, 1914: 411.

Euwallacea gravelyi (Wichmann): Saha and Maiti, 1996: 815.

Synonyms

Xyleborus barbatomorphus Schedl, 1951a: 72. Smith et al. 2020b: 240.

Xyleborus ovalicollis Eggers, 1930: 193. Saha and Maiti, 1996: 815.

Diagnosis

4.6−5.7 mm long (mean = 5.21 mm; n = 8); 2.6‒2.75 times as long as wide. This species is distinguished by its large size and elongate form; protibiae less distinctly triangular than E. destruens, and with 7−9 denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
on apicalapex:
point or edge furthest from the body; opposite of base
half; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
commencing at about mid-point, evenly curved from discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
into declivitydeclivity:
downward slope of either the pronotum or elytra
, the declivitydeclivity:
downward slope of either the pronotum or elytra
usually appearing flat in laterallateral:
pertaining to the side
view.

May be confused with

Euwallacea destruens

Distribution

Bhutan, China (Yunnan), India (Arunachal Pradesh, Assam, Meghalaya, Sikkim, West Bengal), Laos, Myanmar, Taiwan, Thailand, Vietnam

Host plants

polyphagous (Saha and Maiti 1996)

DNA data

specimens not available for sequencing