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Species Pachybrachis xantholucens

Pachybrachis xantholucens Fall - Pachybrachis xantholucens Pachybrachis xantholucens Fall - Pachybrachis xantholucens
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Cryptocephalinae (Case-bearing Leaf Beetles)
Tribe Cryptocephalini
Subtribe Pachybrachina
Genus Pachybrachis (Scriptured Leaf Beetles)
No Taxon (Yellow Pachys)
Species xantholucens (Pachybrachis xantholucens)
Explanation of Names
Pachybrachis xantholucens Fall 1915
xantholucens - 'yellow beetle'
Length 2.6 to 4 mm (1)
elytra conspicuously wider at base than the prothorax (1)
sc NM to w TX (1)(2)
swept from creosote - Larrea tridentata (Zygophyllaceae) (3)
Type Locality: El Paso, Texas
See Also
Very similar in form, size and color to mellitus, differing as follows: Color a slightly deeper yellow as a rule, with, in most specimens, faint traces of the basal portions of the thoracic M; upper surface polished throughout, without trace of minute alutaceous sculpture; eyes more distant. Elytral striae more regular than in mellitus, punctures much sparser and more nearly serial in the scutellar area; second elytral interspace wide in posterior half; marginal interspace nearly or quite impunctate. (1)
- Range: sw US
Pachybrachis mellitus Bowditch
Internet References
Type - MCZ, Harvard
Works Cited
1.A revision of the North American species of Pachybrachys
H. C. Fall. 1915. Transactions of the American Entomological Society, Vol. 41, No. 3: 291–486 .
2.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
3.Host plants of leaf beetle species occurring in the United States and Canada
Clark et al. 2004. Coleopterists Society, Special Publication no. 2, 476 pp.