Euwallacea luctuosus

Taxonomic history

Xyleborus luctuosus Eggers, 1939a: 13.

Euwallacea luctuosus (Eggers): Wood and Bright, 1992: 691.

Diagnosis

3.6 mm long (n = 1); 3.6 times as long as wide. This species is the most slender Euwallacea species. It can be further recognized by the posterolateralposterolateral:
relating to end of the side part/portion
margins of declivitydeclivity:
downward slope of either the pronotum or elytra
weakly costate; pronotumpronotum:
the dorsal surface of the thorax
from dorsaldorsal:
of or relating to the upper surface; opposite of ventral
view elongate, anterioranterior:
the front or forward; opposite of posterior
margin rounded (type 7); outer margin of protibiaprotibia:
tibia of the first pair of legs
obliquely triangular and bearing seven large denticlesdenticle:
a small tooth, the sides of which are equal and the tip is above the middle of the base
, their bases contiguous.

May be confused with

Euwallacea sibsagaricus, E. subalpinus, and Heteroborips tristis

Distribution

Myanmar

Host plants

unknown (Smith et al. 2020bSmith et al. 2020b:
Smith SM, Beaver RA, and Cognato AI. 2020b. A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China. ZooKeys 983: 1-442. https://doi.org/10.3897/zookeys.983.52630)

DNA data

specimens not available for sequencing