Groundnut Bruchid
Caryedon serratus
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Coleoptera
- Suborder: Polyphaga
- Superfamily: Chrysomeloidea
- Family: Chrysomelidae
- Subfamily: Bruchinae
- Tribe: Pachymerini
- Genus: Caryedon
- Species: serratus
Pronunciation
How to pronounce Caryedon serratus: /ˈkærɪədɒn səˈreɪtəs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images





Summary
Caryedon serratus, or groundnut bruchid, is a leaf beetle that primarily infests groundnuts and other seed legumes, significantly impacting agricultural practices in its native and introduced regions.
Physical Characteristics
3.5–6.8 mm in length.
Identification Tips
Identified as Caryedon serratus, known as the groundnut bruchid, characterized by its association with groundnuts and other seeds.
Habitat
Primarily found in association with legumes, particularly groundnuts, in stored locations.
Distribution
Native to Africa but now found in various regions worldwide, including the Caribbean, Europe, Northern Asia (excluding China), Central America, North America, Oceania, and South America.
Diet
Feeds on seeds of various legumes, including Acacia, Cassia, and Prosopis; primarily an important pest of groundnuts.
Life Cycle
Lifecycle details not provided; typically involves larval development within seeds.
Reproduction
Reproductive habits not detailed; generally involves oviposition in seeds.
Predators
Predators not specified.
Ecosystem Role
Important as a pest affecting seed storage; may influence local agricultural practices.
Economic Impact
Important storage pest of groundnuts in Africa, affecting agricultural yields.
Collecting Methods
- Pesticide-based methods (e.g. Lindane, Malathion) potentially used in the past
- Gas under plastic sheeting
Similar Taxa
- Caryedon gonagra (Fabricius 1798)
- Pachymerus gonagra
- Caryoborus gonagra
Tags
- Caryedon serratus
- groundnut bruchid
- Caryedon
- pest management
- agriculture