Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Gastrophysa cyanea - Green Dock Beetle

green bug - Gastrophysa cyanea Gastrophysa cyanea - female Green Dock Beetle - Gastrophysa cyanea - male - female Green dock beetle - Gastrophysa cyanea - female Green Dock Beetle - Gastrophysa cyanea - female Green Dock Beetle - Gastrophysa cyanea - female Green Dock Beetle - Gastrophysa cyanea Del Puerto Beetle 1 - Gastrophysa cyanea
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 Chrysomelinae
Tribe Chrysomelini
Subtribe Chrysomelina
Genus Gastrophysa
Species cyanea (Green Dock Beetle)
Explanation of Names
Gastrophysa cyanea F. E. Melsheimer, 1847
4 spp. n. of Mex., (3 native) (1)
4-6 mm
Oblong-oval, metallic green or blue, shining. Antennae, legs, and undersurface black. Elytra densely and roughly punctate. (2)
widely dist. (CA-FL-ON-NT) (1)
Open areas, agricultural land with host plants.
Mostly: Mar-May (BG data)
Dock - Rumex spp. (Polygonaceae) (3)
See Also
This beetle in size, shape, and color somewhat resembles the less punctate Chrysochus.
Print References
Dillon, p. 691, plate LXVIII (2)
Balsbaugh, p. 100 (4)
Arnett et al., p. 328, gives range. (5)
Brimley, p. 226, Gastroidea cyanea (6)
Melsheimer, F.E. 1847. Descriptions of new species of Coleoptera of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia, 3: 158-181.
Works Cited
1.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
2.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.
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.
4.The leaf beetles of Alabama
Edward Balsbaugh and Kirby Hays. 1972. Agricultural Experiment Station, Auburn University.
5.How to Know the Beetles
Ross H. Arnett, N. M. Downie, H. E. Jaques. 1980. Wm. C. Brown Publishers.
6.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.