Morychus oblongus
(LeConte, 1857)
Oblong Pill Beetle
Morychus oblongus is a of pill beetle in the Byrrhidae, commonly known as the Oblong Pill Beetle. It is native to North America with documented records from western Canadian provinces including Alberta, British Columbia, and Saskatchewan. As a member of the pill beetle family, it shares the characteristic ability to conglobate—rolling into a compact ball when disturbed.
Pronunciation
How to pronounce Morychus oblongus: /ˈmɔrɪkəs ɒbˈlɒŋɡəs/
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Identification
May be distinguished from other Morychus by its oblong body shape, as indicated by the specific epithet. Within Byrrhidae, Morychus species generally exhibit a more cylindrical and less rounded profile compared to the type Byrrhus. Definitive identification to species level requires examination of genitalia or other fine morphological characters.
Distribution
North America; confirmed records from Alberta, British Columbia, and Saskatchewan in Canada. The full extent of its range within North America is not comprehensively documented.
Behavior
Has been observed to conglobate (roll into a ball) when disturbed, a defensive characteristic of the Byrrhidae.
Similar Taxa
- Morychus americanusAnother North American Morychus ; differentiation requires detailed morphological examination
- Byrrhus spp.Related pill beetles in the same ; generally more rounded in body profile compared to the oblong shape of M. oblongus
More Details
Observation scarcity
Only 10 observations recorded on iNaturalist as of data compilation, suggesting either genuine rarity, cryptic habits, or under-sampling of its .