Coastal Flat-body vs Common Eastern Bumble Bee

Agonopterix yeatiana compared with Bombus impatiens

Key Differences

• Coastal Flat-body is Near Threatened while Common Eastern Bumble Bee is Least Concern.

Taxonomic Classification

Rank	Coastal Flat-body	Common Eastern Bumble Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Lepidoptera (Butterflies & Moths)	Hymenoptera (Ants, Bees & Wasps)
Family	Depressariidae	Apidae (Bees)
Genus	Agonopterix	Bombus
Species	Agonopterix yeatiana	Bombus impatiens

Evolutionary Relationship

Coastal Flat-body and Common Eastern Bumble Bee share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Coastal Flat-body

NT — Near Threatened

Common Eastern Bumble Bee

LC — Least Concern

Physical Characteristics

Attribute	Coastal Flat-body	Common Eastern Bumble Bee
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Coastal Flat-body

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Eastern Bumble Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Mexico and United States.

Coastal Flat-body

Agonopterix yeatiana, the coastal flat-body, is a small moth in the family Depressariidae native to coastal and calcareous grassland habitats across western and northern Europe, with records from Belgium, Denmark, and Sweden. Moths in the family Depressariidae, commonly called flat-body moths due to the depressed posture they adopt when resting with wings held flat against the surface, are associated predominantly with umbellifer plants of the family Apiaceae as larval hosts. Agonopterix yeatiana larvae feed on wild carrot (Daucus carota), wild parsnip (Pastinaca sativa), and related coastal and grassland Apiaceae species, inhabiting the open, often calcareous or sandy habitats where these plants grow. Adult moths have greyish-brown forewing with a distinctive pattern of spots and dashes and reach approximately 8–12 millimeters in wingspan. The species is classified as Near Threatened by the IUCN, reflecting declines associated with the loss of traditional hay meadow management, coastal grassland degradation, and scrub encroachment that eliminates the open, flower-rich grassland habitats supporting its host plants. Agricultural intensification has reduced wild umbellifer populations significantly across lowland Europe, reducing food resources for larvae of specialist moths like A. yeatiana.

Common Eastern Bumble Bee

<em>Bombus impatiens</em>, the common eastern bumble bee, is a native North American bee in the family Apidae, classified as Least Concern by the IUCN Red List. The species is distributed across Mexico and the United States, typically inhabiting virtually all terrestrial and freshwater biomes within its range, from urban gardens and agricultural landscapes to forests, meadows, and wetland edges. As one of the most abundant and ecologically important pollinators in eastern North America, <em>Bombus impatiens</em> plays a critical role in the pollination of both wild plants and commercial crops, including tomatoes, peppers, and blueberries. It is among the most widely used bumble bee species for commercial greenhouse pollination globally. The species forms annual colonies founded by a single mated queen in early spring, with worker populations typically peaking in midsummer before new queens and males are produced in late summer. Common eastern bumble bees are capable of buzz pollination, or sonication, vibrating their flight muscles at a specific frequency to release pollen from anthers that resist wind or conventional bee pollination. While currently assessed as Least Concern, habitat loss, pesticide exposure, and pathogen spillover from commercial colonies are ongoing concerns for wild populations. Biological traits of this species remain poorly documented in the scientific literature.