Mottled dermestid beetle
Scientific name
Trogoderma inclusum LeConte
Classification
Secondary pest; Grain feeder and scavenger
Order: Coleoptera
Family: Dermestidae
Acronym: TIN
Description
- Adults are mottled or bicoloured in appearance.
- Adults are oval in shape, with clubbed antennae and are 3.5 mm in length.
- Adults may be distinguished from other Trogoderma species by the presence of a distinct notch in the inner margin of the eyes.
- Larvae are cream coloured with tufts of hair and spines present, typical of the Trogoderma.
- Is also called the mottled dermestid.
Images
Similar species
- Other Trogoderma species
- Anthrenus species
- Anthrenocerus species
Commodities affected
- Processed dry foods and animal feeds
- Stored grain, wheat, corn sorghum, nuts
Signs of infestation
- Contamination of commodity with cast larval skins is the most common sign of infestation
Damage
- Are generalist feeders and damage is not distinguishable from other generalist feeders
- Larvae cause all damage, adults are nectar and pollen feeders
How to control
Geographic range
- Is found throughout the world in the Northern Hemisphere
- Is found across Canada
Where found
- Infests processed dry foods and animal feeds
- Is a pest in flour mills, dried milk factories, processing plants and storage facilities
Life history
- Females deposit eggs singly, near the food source, usually in cracks or crevices or among the food source itself.
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