Rhabdopterus picipes

(Olivier, 1808)

Cranberry Rootworm

Rhabdopterus picipes, commonly known as the cranberry rootworm, is a leaf beetle in the Chrysomelidae. This is native to North America and is associated with cranberry , where its larval feeding on roots can cause economic damage. The specific epithet 'picipes' refers to the dark, pitch-black coloration of the legs. Despite its , detailed biological information remains sparse in published literature.

Annual report of the Quebec Society for the Protection of Plants (1921-1935.) (18743475824) by Internet Archive Book Images. Used under a No restrictions license.

Pronunciation

How to pronounce Rhabdopterus picipes: /ræbˈdɒptərəs ˈpɪsɪˌpiːz/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Dark-legged appearance distinguishes it from some , though specific identification characters require examination of genitalia or other subtle morphological features typical of Chrysomelidae. The 'cranberry rootworm' provides ecological context for identification in agricultural settings.

Images

Habitat

Associated with cranberry-growing regions; larvae inhabit soil around plant roots.

Distribution

North America; specifically recorded in regions where cranberries are cultivated.

Diet

Larvae feed on roots of cranberry plants (Vaccinium macrocarpon); feeding habits are not well documented.

Host Associations

Vaccinium macrocarpon - larval food plantCranberry; larval feeding on roots causes economic damage in

Life Cycle

Complete typical of Coleoptera. Larval stage is root-feeding; occurs in soil. Specific timing of life stages is not well documented.

Ecological Role

Root herbivore in cranberry ; may contribute to soil nutrient cycling through larval feeding activities, though primarily considered a pest in agricultural contexts.

Human Relevance

Agricultural pest of cranberries; larval root feeding can reduce plant vigor and yield in commercial cranberry operations.

Similar Taxa

Other Rhabdopterus species may overlap in distribution and ; identification requires careful examination of leg coloration and other subtle characters
Other Chrysomelidae root-feeding larvaeLarval damage to cranberry roots may be similar to that caused by other soil-dwelling larvae; requires identification for confirmation

More Details

Taxonomic Note

The specific epithet 'picipes' (Olivier, 1808) is derived from Latin 'pix' (pitch, tar) and 'pes' (foot), referring to the dark black legs. This distinguishes it from the unrelated assassin bug Melanolestes picipes, which shares the same specific epithet but belongs to a different order (Hemiptera).

Data Limitations

Published biological and ecological information for this is extremely limited. Most available information comes from agricultural pest management literature rather than systematic entomological studies.