Pacific Willow Borer
( Xylotrechus insignis )


2012-0520-39060002-COL01012-Xylotrechus_insignis[1424h44s,F,A,plant-leaf]{EXD}-G.jpg

PHOTO COMMENT

IDENTIFICATION
Identification:Xylotrechus insignis
(LeConte ,1873 )
Common Name:Pacific Willow Borer
Life Stage:(A) adult

PHYLOGENY

Phylum:Arthropoda
Class:Insecta
Superorder:Holometabola
Order:Coleoptera
Suborder:Polyphaga
Family:Cerambycidae
Subfamily:Cerambycinae
Tribe:Clytini
Genus:Xylotrechus
Taxon Code:COL01012
ITIS/TSN:703419

LOCATION DETAILS
Location Name
San Joaquin Delta, San Joaquin Delta, ~11977 Neugebauer Rd, Anaheim
County:Orange County
ECI Site#:CA39000000

RECOGNITION
Body Length
About 18 mm.
Diversity
The genus contains 22 species and several subspecies in North America, a majority of them in the West. The larvae of most bore principally in the wood of the main stem of dead, injured, and down trees. They riddle the wood and pack their galleries with granular frass. Adults are stout and cylindrical, with antennae only slightly longer than the head and thorax, and with wavy, zigzag, or crescent-shaped markings across the wing covers.
Similar Taxa
Neoclytus sp. is distinguished by having transverse ridges on the pronotum.

BIOLOGY
Range
Oregon to Baja California.
Diversity
The genus contains 22 species and several subspecies in North America, a majority of them in the West. The larvae of most bore principally in the wood of the main stem of dead, injured, and down trees. They riddle the wood and pack their galleries with granular frass. Adults are stout and cylindrical, with antennae only slightly longer than the head and thorax, and with wavy, zigzag, or crescent-shaped markings across the wing covers.
Flight Period
May to September.

CREDITS
Photographer
Eddie Dunbar
Insect Sciences Museum of California

References
Species Xylotrechus insignis - Willow Borer, (https://bugguide.net/node/view/194883). Accessed June 24, 2018. .
ITIS.


.