Odorous House Ant vs Unequal Cellophane Bee

Side-by-side species comparison

Attribute Odorous House Ant Unequal Cellophane Bee
Scientific Name Tapinoma sessile Colletes inaequalis
Order Hymenoptera Hymenoptera
Family Formicidae Colletidae
Size 2.5-3 mm 10-13 mm
Habitat Indoors Deserts & Drylands
Diet Omnivores Nectar Feeders
Regions North America North America
Conservation Least Concern Least Concern

Odorous House Ant

A small dark brown ant that emits a distinctive rotten coconut smell when crushed. It is one of the most common household pest ants in North America.

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Did You Know?

The smell produced when crushed is caused by methyl ketones, the same compounds found in blue cheese.

Unequal Cellophane Bee

An early spring bee that forms large nesting aggregations in sandy soil. It lines its cells with a waterproof secretion resembling cellophane.

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Did You Know?

Nesting aggregations can alarm homeowners as thousands of bees emerge from lawns, but they are docile and rarely sting.