Amphelasma cavum

(Say, 1835)

A small leaf beetle in the Chrysomelidae, measuring approximately 5.5 mm in length. The occurs in the southwestern United States and Mexico. It has been documented feeding on Ipomoea batatas (sweet potato), indicating a plant association with members of the morning glory family. Two are recognized: A. c. cavum and A. c. vicinum.

Pronunciation

How to pronounce Amphelasma cavum: /ˌæmfəˈlæzmə ˈkeɪvəm/

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Identification

are small beetles, approximately 5.5 mm in length. Distinguishing features from similar Amphelasma require examination of specific morphological characters not detailed in available sources.

Distribution

Mexico and Arizona, United States.

Diet

have been observed feeding on Ipomoea batatas (sweet potato).

Host Associations

  • Ipomoea batatas - plantsweet potato

Human Relevance

Potential pest of sweet potato based on documented feeding on Ipomoea batatas.

Sources and further reading