Lesser Grain Borer vs Black Bean Aphid
Side-by-side species comparison
| Attribute | Lesser Grain Borer | Black Bean Aphid |
|---|---|---|
| Scientific Name | Rhyzopertha dominica | Aphis fabae |
| Order | Coleoptera | Hemiptera |
| Family | Bostrichidae | Aphididae |
| Size | 2-3 mm | 1.5-3 mm |
| Habitat | Gardens | Gardens |
| Diet | Seed Feeders | Sap Feeders |
| Regions | Worldwide tropical and subtropical regions | Europe, North America, Asia, Africa |
| Conservation | Not Evaluated | Not Evaluated |
Lesser Grain Borer
A cylindrical dark brown beetle that bores into whole grain kernels, reducing them to powder. It is especially destructive in warm tropical grain stores.
Did You Know?
It produces a distinctive sweet, musty odor that can taint infested grain.
Black Bean Aphid
A soft-bodied black aphid that forms dense colonies on beans, sugar beet, and many garden plants. It overwinters as eggs on spindle trees and migrates to crops in spring.
Did You Know?
A single aphid can produce billions of descendants in one growing season through rapid asexual reproduction.