Synonyms and other taxonomic changes
"Pachycrachis sp. (EGR 3)"
Explanation of Names
Pachybrachis varians Bowditch 1909
Size
L = 1.81–1.98 mm (mean = 1.94 mm, n = 10) - Male
(1)
L = 1.97–2.28 mm (mean = 2.17 mm, n = 11) - Female
Identification
Robust, yellow, with fuscous punctures, standard maculae diffuse, luster dull
(1)Life Cycle
on screwbean mesquite (
Prosopis reptans, Fabaceae) in s. TX. (MAQ, pers. obs.)
One record of this species on Leguminosae in Mississippi.
(1)Remarks
Bowditch's lectotypes and paralectotypes from
Opelousas, St. Landry Parish, Louisiana (1)See Also
P. matthewi, is very similar to
P. varians and may eventually be determined to be a more northern variation.
Pachybrachis matthewi is larger than
P. varians, with reduced maculation, greater interspace punctation, and longer antennae. The median lobe of the aedeagus is significantly wider in en-face view, but the overall configuration is very similar.
(1) Print References
Barney, R.J. 2018. Definition and revision of the
atomarius species-group of North American
Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), including descriptions of nine new species. The Coleopterists Bulletin 72(1): 9-74.
(1)
Bowditch, F.C. 1909. Notes on Pachybrachys and description of new species. The Canadian Entomologist 41: 274–244, 285–292, 312–324.
Contributed by
Mike Quinn on 4 April, 2018 - 9:17pm
Last updated 11 September, 2023 - 7:22pm
