Anastrangalia laetifica
(LeConte, 1859)
Dimorphic Flower Longhorn Beetle, dimorphic flower longhorn
Anastrangalia laetifica is a longhorn beetle in the Cerambycidae, distributed across Canada, the United States, and Mexico. The exhibits striking in elytral coloration. have been observed feeding on Frasera albicaulis. It belongs to the flower-visiting Lepturinae.
Pronunciation
How to pronounce Anastrangalia laetifica: /ˌænəstrænˈɡeɪliə liˈtɪfɪkə/
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Identification
Distinguished from other Anastrangalia by the specific elytral pattern: males entirely black, females red with four black spots. The in coloration is diagnostic for this species within its range.
Images
Appearance
Medium-sized longhorn beetle with sexually dimorphic elytral patterning. Males have entirely black . Females have red elytra with four black spots. Body coloration otherwise black.
Distribution
Canada, United States, and Mexico. Specific records include British Columbia.
Diet
feed on Frasera albicaulis.
Host Associations
- Frasera albicaulis - food source feeding
Similar Taxa
- Other Anastrangalia speciesSimilar body form and size; distinguished by specific elytral color pattern and
More Details
Sexual dimorphism
The 'dimorphic flower longhorn' refers to the pronounced difference in elytral coloration between males and females, which is unusual among cerambycids.