Acanthothrips nodicornis    

Under the bark of Populus sp. (Chiasson 1986).


Body varies between 2.5 and 4mm in length and is mainly dark brown. The bases of the intermediate antennal segments, the fore tibiae, and the base and apex of the mid and hind tibiae are yellow to yellowish brown. White dots are present on the anterolateral margin of abdominal segments 3 to 8. The head is reticulate and has many well-developed cheek warts. The fore femora are large and each has an inner, subapical spur. Each fore tarsus has a prominent tooth. Both males and females are macropterous, and the wings are moderately broad throughout. The abdomen and pelta are reticulated. In males, the median portion of abdominal sternite 8 has a narrow transverse glandular area. Larvae can have prominent head horns (Stannard 1968).

life history


diet info
Feeds on fungal mycelium (Chiasson 1986).

Alberta (Chiasson 1986), and widespread throughout Europe and North America (Stannard 1968).

species page authorAsh, L.2002 
species page reviewerHeming, B. S.2002 

quick link


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