Other Common Names
Milkweed Leaf Beetle - MLB
Synonyms and other taxonomic changes
Labidomera clivicollis (Kirby)
Orig. Comb: Chrysomela clivicollis Kirby 1837
pattern is highly variable:
e NA to NM (NM-FL-NS-MB) / ne. Mex. - Map (1)(3)
Meadows, roadsides, esp. wetlands
hosts: milkweeds, especially Swamp Milkweed
), but also Common Milkweed
). Also on swallow-wort
) and twinevine
Primary host in Texas is talayote - Cynanchum racemosum
Often overwinter as adults among leaves, e.g. on mullein (Verbascum
). Adults mate on or around milkweed. Eggs are cemented to the underside of leaves. Larvae feed on leaves, and drop to ground to pupate.(5)
Part of the orange and black milkweed mimicry complex, which includes Monarch Butterfly, Red Milkweed Beetle, milkweed bugs, and an assassin bug.
Larvae and adults cut several side-veins of a milkweed leaf prior to feeding, to reduce the sticky latex that would otherwise be produced at their feeding sites.(6)
Leptinotarsa lineolata (Stål) - on Burrobrush - Hymenoclea (Asteraceae)
- Range: AZ to w. TX
Det. E. G. Riley, 2010
Eickwort. K. R. 1973. Cannibalism and kin selection in Labidomera clivicollis (Coleoptera: Chrysomelidae). The American Midland Naturalist 107: 452-453.
Eickwort, K.R. 1977. Population dynamics of a relatively rare species of milkweed beetle (Labidomera). Ecology 58(3): 527-538.
Palmer, J.O. 1981. Life history consequences of resource seasonality in the milkweed leaf beetle, Labidomera clivicollis. Ph.D. Dissertation, University of Texas at Austin. 198 pp.