Meloe niger

Kirby, 1837

black meloe

Meloe niger, commonly known as the black meloe, is a in the . It is to North America and is one of many in the Meloe characterized by their distinctive . Like other members of its genus, it possesses chemical defenses based on . The species was described by Kirby in 1837.

Schnellkäfer Hemicrepidius 9704c by NobbiP. Used under a CC BY-SA 3.0 license.

Schnellkäfer Hemicrepidius 9709c by NobbiP. Used under a CC BY-SA 3.0 license.

Schnellkäfer Hemicrepidius 9705c by NobbiP. Used under a CC BY-SA 3.0 license.

Pronunciation

How to pronounce Meloe niger: /ˈmɛloʊ ˈnaɪɡər/

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Identification

As a member of the Meloe, M. niger shares the characteristic body plan: a large, rounded with short that leave much of the abdomen exposed, giving an 'ill-fitting waistcoat' appearance. The epithet 'niger' indicates black coloration. Specific diagnostic features distinguishing M. niger from other North Meloe species are not documented in available sources. Identification to species level in this genus typically requires examination of male and other subtle morphological characters.

Images

Habitat

Specific preferences for M. niger are not documented. Related Meloe are typically associated with open, sunny habitats including grasslands, meadows, and areas with ground-nesting , which serve as for their parasitic .

Distribution

North America. Documented from Canadian provinces including Alberta, British Columbia, and Manitoba. The is present across North America generally.

Life Cycle

The of Meloe niger has not been specifically documented. Based on the Meloe generally: females in burrows excavated in soil, often near or within nests of ground-nesting . () emerge and employ a parasitic strategy, typically by attaching to female bees and being transported to nest burrows where they consume pollen provisions and bee larvae. Development includes with distinct larval stages.

Ecological Role

As a member of the Meloe, the likely functions as a or of ground-nesting solitary (: ), particularly and related groups. This parasitic relationship can influence local bee .

Human Relevance

Like other , M. niger likely contains —potent blistering compounds that can cause skin irritation upon contact. The is medically significant due to these defensive chemicals, though specific human encounters with M. niger are not documented. Blister beetles in hay can pose risks to livestock.

Similar Taxa

Meloe americanusAnother North in the same subgenus (Meloe), requiring careful morphological examination to distinguish.
Meloe impressusWidespread North with similar overall ; -level identification requires detailed examination.
Meloe franciscanusWestern North with documented - ; distinguished by geographic range and subtle morphological features.

More Details

Taxonomic Note

The is placed in the subgenus Meloe (Meloe) based on the system employed in the Holdings at the Research Museum (Pinto & Selander system).

Research Significance

The Meloe has become important in studies of and - , particularly regarding the of by . While M. niger itself has not been specifically studied in this context, related have contributed to understanding these evolutionary interactions.