Chrysomela mainensis
Bechyné, 1954
Maine Leaf Beetle
Species Guides
1Chrysomela mainensis is a leaf beetle in the Chrysomelidae, described by Bechyné in 1954. The species is found in North America, with observations recorded primarily from the northern United States and Canada. It belongs to a of leaf beetles that are typically associated with willow . Three have been described: C. m. mainensis, C. m. interna, and C. m. littorea.
Pronunciation
How to pronounce Chrysomela mainensis: /ˌkrɪsoʊˈmiːlə maɪˈnɛn.sɪs/
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Identification
in the Chrysomela are small to medium-sized leaf beetles with oval to elongate bodies. Chrysomela mainensis may be distinguished from similar species by geographic range and association with willows, though specific diagnostic morphological features for this species are not well documented in available sources. The C. m. interna and C. m. littorea were described by Brown in 1956, suggesting geographic variation in .
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Habitat
Associated with willow (Salix) . Found in riparian areas and wetlands where willow plants occur.
Distribution
North America. Records from the northern United States and Canada, with showing potentially restricted geographic ranges (C. m. interna and C. m. littorea described by Brown, 1956).
Diet
Feeds on willow (Salix spp.) foliage. This association is characteristic of many Chrysomela .
Host Associations
- Salix - plantwillow
Ecological Role
Herbivore on willow foliage. As a leaf beetle, contributes to nutrient cycling through herbivory and serves as prey for .
Similar Taxa
- Chrysomela knabiSimilar willow-feeding leaf beetle in the same , with overlapping geographic range in North America. May require examination of morphological details or specificity for separation.
- Chrysomela aeneicollisMontane willow-feeding leaf beetle in the same . Chrysomela mainensis occurs at lower elevations and more northern latitudes.
More Details
Subspecies
Three recognized: Chrysomela mainensis mainensis (nominate subspecies), C. m. interna Brown 1956, and C. m. littorea Brown 1956. The latter two were described by Brown in 1956, suggesting morphological differentiation in particular geographic areas.