Chestnut-breasted Whiteface vs Clay-Coloured Weevil

Aphelocephala pectoralis compared with Otiorhynchus singularis

Key Differences

• Chestnut-breasted Whiteface is Near Threatened while Clay-Coloured Weevil is Least Concern.

Taxonomic Classification

Rank	Chestnut-breasted Whiteface	Clay-Coloured Weevil
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Passeriformes (Songbirds)	Coleoptera (Beetles)
Family	Acanthizidae	Curculionidae
Genus	Aphelocephala	Otiorhynchus
Species	Aphelocephala pectoralis	Otiorhynchus singularis

Evolutionary Relationship

Chestnut-breasted Whiteface and Clay-Coloured Weevil share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chestnut-breasted Whiteface

NT — Near Threatened

Clay-Coloured Weevil

LC — Least Concern

Physical Characteristics

Attribute	Chestnut-breasted Whiteface	Clay-Coloured Weevil
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut-breasted Whiteface

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Clay-Coloured Weevil

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (32 countries) and North America (Canada, United States).

Chestnut-breasted Whiteface

The Chestnut-breasted Whiteface (Aphelocephala pectoralis) is a species in the genus Aphelocephala. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Clay-Coloured Weevil

The Clay-coloured Weevil, Otiorhynchus singularis, is a small flightless beetle in the family Curculionidae native to Europe and widely established as an introduced pest in many parts of North America and other temperate regions. The adult weevil is typically 5–7 mm in length, mottled gray-brown or clay-colored with patches of pale scales that provide camouflage against bark and soil. Like other Otiorhynchus weevils, the Clay-coloured Weevil is parthenogenetic in most introduced populations, consisting entirely of females that reproduce without mating. Adults are nocturnal, feeding on the foliage and bark of a wide range of host plants including strawberries, raspberries, currants, ornamental shrubs, and nursery stock. The larvae develop in soil, feeding on roots and causing significant damage that can girdle and kill established plants. The species is considered a serious horticultural pest in affected regions, causing economic losses in soft fruit production, nurseries, and ornamental plantings. Management typically involves biological control using entomopathogenic nematodes or fungi, as chemical control of soil-dwelling larvae is difficult. The species is well established across temperate Europe and has been accidentally introduced to parts of North America through the horticultural trade.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway