Meloe

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For the ancient cities, see Meloë.

Meloe
Oil beetle from Wiener Prater.jpg
Meloe violaceus
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Meloidae
Subfamily: Meloinae
Tribe: Meloini
Genus: Meloe
Linnaeus, 1758
Species

See text

The blister beetle genus Meloe is a large, widespread group commonly referred to as oil beetles.[1] They are known as "oil beetles" because they release oily droplets of hemolymph from their joints when disturbed; this contains cantharidin, a poisonous chemical causing blistering of the skin and painful swelling. Members of this genus are typically flightless, without functional wings, and shortened elytra.

Oil beetle adult
Oil beetle adult dorsal view

As in other members of the family, they are hypermetamorphic, going through several larval stages, the first of which is typically a mobile triungulin that finds and attaches to a host in order to gain access to the host's offspring. In this genus, the host is a bee, and each species of Meloe may attack only a single species or genus of bees. Though sometimes considered parasitoids, it appears that in general, the Meloe larva consumes the bee larva along with its provisions, and can often survive on the provisions alone; thus they do not truly qualify for this designation (see Parasitoid for definition).

Species

Arranged alphabetically.[2][3][4]

References

  1. ^ Oil Beetles (Meloe), BugGuide
  2. ^ Meloe, funet.fi
  3. ^ Meloe, ITIS Report
  4. ^ Pan, Zhao; Bologna, M.A. (7 July 2021). "Morphological revision of the Palaearctic species of the nominate subgenus Meloe Linnaeus, 1758 (Coleoptera, Meloidae), with description of ten new species". Zootaxa. 5007: 1–74. doi:10.11646/zootaxa.5007.1.1 – via Mapress.

External links

  • Media related to Meloe at Wikimedia CommonsError: "Q133378" is not a valid Wikidata entity ID.


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