Euwallacea minutus
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Euwallacea minutus lateral; S.M. Smith |
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Euwallacea minutus dorsal; S.M. Smith |
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Euwallacea minutus declivity; S.M. Smith |
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Euwallacea minutus frontal; S.M. Smith |
Taxonomic history
Xyleborus minutus Blandford, 1894b: 116.
Planiculus minutus (Blandford): Beaver and Liu, 2010: 29.
Wallacellus minutus (Blandford): Beaver et al., 2014: 61.
Euwallacea minutus (Blandford): Smith et al., in prep.
Synonyms
Xyleborus breviusculus Schedl, 1942a: 196. Schedl, 1958c: 147.
Xyleborus pernitidus Schedl, 1954a: 152. Schedl, 1958c: 147.
Diagnosis
1.8−1.9 mm long (mean = 1.87 mm; n = 3); 2.57−2.71 times as long as wide. This species is distinguished by its minute size; short, steep declivitydeclivity:
downward slope of either the pronotum or elytra
with two transverse rows of granulesgranule:
a small rounded protuberance, like grains of sand
on each interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
at declivitaldeclivital:
pertaining to the elytral declivity
summit; pronotumpronotum:
the dorsal surface of the thorax
from dorsaldorsal:
of or relating to the upper surface; opposite of ventral
view elongate (type 7); and pronotalpronotal:
pertaining to the pronotum
asperitiesasperity:
small flat denticle-like structures frequently arranged in rows or confined to specific areas
small, coarse.
May be confused with
Distribution
Brunei, China (Chongqing, Jiangxi, Yunnan), Indonesia (Java), Japan, Laos, East & West Malaysia, Solomon Islands, Taiwan, Thailand, Vietnam
Host plants
polyphagous (Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255., Beaver and Browne 1978Beaver and Browne 1978:
Beaver RA, Browne FG. 1978. The Scolytidae and Platypodidae (Coleoptera) of Penang, Malaysia. Oriental Insects 12: 575-624. https://doi.org/10.1080/00305316.1978.10432538, Choo and Woo 1985Choo and Woo 1985:
Choo HY, Woo KS. 1985. A list of Korean bark and ambrosia beetles and their host plants. Korean Journal of Plant Protection 24: 163-167.)
DNA data
Sequences available for COI.
COI: MN619939
