Microperus pometianus
Microperus pometianus lateral; R.K. Osborn |
Microperus pometianus dorsal; R.K. Osborn |
Microperus pometianus declivity; R.K. Osborn |
Microperus pometianus frontal; R.K. Osborn |
Taxonomic history
Xyleborus pometianus Schedl, 1939a: 354.
Microperus pometianus (Schedl): Hulcr and Cognato, 2010a: 21.
Diagnosis
1.2−1.7 mm long (mean = 1.44 mm; n = 5); 2.6−3.0 times as long as wide. This species is distinguished by the elytralelytral:
pertaining to the elytra
discdisc:
the flat central upper surface of any body part (e.g. pronotum and elytra)
flat; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
short, steep; elytralelytral:
pertaining to the elytra
declivitydeclivity:
downward slope of either the pronotum or elytra
granulate from basebase:
point or edge closest to the body; opposite of apex
to apexapex:
point or edge furthest from the body; opposite of base
, granulesgranule:
a small rounded protuberance, like grains of sand
small, as abundant as strial punctures, granules disperse, separated by the width of at least three granules; declivitaldeclivital:
pertaining to the elytral declivity
surface shagreenedshagreened:
covered with a closely-set roughness, like shark skin
; interstriaeinterstria:
longitudinal spaces along the elytra between the striae, which is not as<br />
impressed and bear smaller punctures.
moderately setose, setaeseta:
small hair-like or scale-like structure
short semi-erect bristles, less than the with of an interstriae; striaestria:
punctures in rows, which may or may not be impressed to make grooves
glabrousglabrous:
smooth, devoid of vestiture
; and minute size.
May be confused with
Distribution
East & West Malaysia, New Guinea, Philippines, Thailand
Host plants
Recorded from Nephelium, Pometia, Xerospermum (Sapindaceae), and an unidentified genus of Burseraceae (Schedl 1942aSchedl 1942a:
Schedl KE. 1942a. Forschungberichte zur Scolytoiden-Fauna der Malayischen Halbinsel, V. 80. Beitrag zur Morphologie und Systematik der Scolytoidea. Kolonialforstliche Mitteilungen 5: 169-218., Browne 1961bBrowne 1961b:
Browne FG. 1961b. The biology of Malayan Scolytidae and Platypodidae. Malayan Forest Records 22: 1-255.). An association with Sapindaceae is suggested by Browne (1961b), but there are too few records to be sure of this.
DNA data
Sequences available for COI and CAD.