Longhorn beetle

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The longhorn beetles (Cerambycidae), also known as long-horned or longicorns, are a large family of beetles, with over 35,000 species described.[2] Most species are characterized by extremely long antennae, which are often as long as or longer than the beetle's body. In various members of the family, however, the antennae are quite short (e.g., Neandra brunnea) and such species can be difficult to distinguish from related beetle families such as the Chrysomelidae. The scientific name of this beetle family goes back to a figure from Greek mythology: after an argument with nymphs, the shepherd Cerambus was transformed into a large beetle with horns.

Cerambycidae
Temporal range: Late Jurassic–Recent
Batus barbicornis MHNT femelle.jpg
Batus barbicornis
Scientific classification e
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Superfamily: Chrysomeloidea
Family: Cerambycidae
Latreille, 1802 [1]
Subfamilies

Eight; see text

DescriptionEdit

Other than the typical long antennal length, the most consistently distinctive feature of the family is that the antennal sockets are located on low tubercles on the face; other beetles with long antennae lack these tubercles, and cerambycids with short antennae still possess them. They otherwise vary greatly in size, shape, sculpture, and coloration. A number of species mimic ants, bees, and wasps, though a majority of species are cryptically colored. The titan beetle (Titanus giganteus) from northeastern South America is often considered the largest insect (though not the heaviest, and not the longest including legs), with a maximum known body length of just over 16.7 cm (6.6 in).[3]

BiologyEdit

 
Eburia quadrigeminata, the Ivory Marked Borer

All known longhorn beetle larvae feed on plant tissue such as stems, trunks, or roots of both herbaceous and woody plants, often in injured or weak trees.[4] A few species are serious pests. The larvae, called roundheaded borers, bore into wood, where they can cause extensive damage to either living trees or untreated lumber (or, occasionally, to wood in buildings; the old-house borer, Hylotrupes bajulus, is a particular problem indoors).

It is known that many longhorns locate and recognize potential hosts by detecting chemical attractants, including monoterpenes (compounds released en masse by woody plants when stressed), ethanol (another compound emitted by damaged plant material), and even bark beetle pheromones. Many scolytinids share the cerambycid's niche of weakened or recently deceased trees; thus, by locating scolytinids, a suitable host can likely be located as well. The arrival of cerambycid larvae is often detrimental to a population of scolytinids, as the cerambycid larvae will typically either outcompete them with their greater size and mobility, or act as direct predators of them (this latter practice is less common, but has been observed in several species, notably Monochamus carolinensis). Cerambycids, in turn, have been found to play a role in attracting other wood-borers to a host.[5] Borgemeister, et al 1998, recorded that cerambycid activity in girdled twigs released volatiles attractive to some bostrichids, especially Prostephanus truncatus.[6] A few cerambycids, such as Arhopalus sp., are adapted to take advantage of trees recently killed or injured by forest fires by detecting and pursuing smoke volatiles.

PredatorsEdit

ParasitoidsEdit

In North America native Cerambycids are widely the victims of Ontsira mellipes. O. mellipes may be useful in controlling a forestry pest in this same family, Anoplophora glabripennis, that is invasive in North America. (Ontsira is a genus of parasitoid wasps in the Doryctinae.)[7]

ClassificationEdit

 
Decora longicorn (Amphirhoe decora)

As with many large families, different authorities have tended to recognize many different subfamilies, or sometimes split subfamilies off as separate families entirely (e.g., Disteniidae, Oxypeltidae, and Vesperidae);[8] there is thus some instability and controversy regarding the constituency of the Cerambycidae.[9] There are few truly defining features for the group as a whole, at least as adults, as there are occasional species or species groups which may lack any given feature; the family and its closest relatives, therefore, constitute a taxonomically difficult group, and relationships of the various lineages are still poorly understood.[10] The oldest member of the family is Cerambycinus, from the Late Jurassic Solnhofen Limestone of Germany, with other Mesozoic fossils including Cretoprionus and Sinopraecipuus from the Aptian aged Yixian Formation of China, and Qitianniu from the early Late Cretaceous (Cenomanian) aged Burmese amber, belonging to the subfamily Subfamily Prioninae, Tribe Meroscelisini.

SubfamiliesEdit

The eight subfamilies are:[11][12]

Notable genera and speciesEdit

 
Common tuft bearing longhorn beetle (Aristobia approximator)

See alsoEdit

ReferencesEdit

  1. ^ "Cerambycidae Latreille, 1802". Integrated Taxonomic Information System. Retrieved June 6, 2011.
  2. ^ "The first long-horned beetle giving birth to live young discovered in Borneo". Science Daily. 11 May 2016. Retrieved 14 June 2021.
  3. ^ Barclay, Max (2010). "Titanus giganteus Linnaeus (1771)". Natural History Museum. Retrieved June 6, 2011.
  4. ^ Kariyanna, B; Mohan, M & Gupta, Rajeev (2017). "Biology, ecology and significance of longhorn beetles (Coleoptera: Cerambycidae)". Journal of Entomology and Zoology Studies. 5: 1207–1212. ISSN 2320-7078.
  5. ^ Allison, Jeremy D.; Borden, John H.; Seybold, Steven J. (2004). "A review of the chemical ecology of the Cerambycidae" (PDF). Chemoecology. 14: 123–150 – via ResearchGate.
  6. ^ Borgemeister, Christian; Goergen, George; Tchabi, Atti; Awande, Symphorien; Markham, Richard H.; Scholz, Dagmar (1998). "Exploitation of a woody host plant and cerambycid-associated volatiles as host-finding clues by the larger grain borer" (PDF). Annals of the Entomological Society of America. 91 (5): 741–747 – via ResearchGate.
  7. ^ "PPQ Scientists Evaluate Wasp's Ability to Detect and Attack the Asian Longhorned Beetle". PPQ (Plant Protection and Quarantine). USDA APHIS. Retrieved 2021-09-07.
  8. ^ Vanin, Sergio Antonio & Ide, Sergio (2002). "Classificação comentada de Coleoptera" [An annotated classification of the Coleoptera]. In C. Costa; S. A. Vanin; J. M. Lobo & A. Melic (eds.). Proyecto de Red Iberoamericana de Biogeografía y Entomología Sistemática PrIBES 2002 (PDF). Monografias Tercer Milenio (M3M) (in Portuguese). Vol. 3. pp. 193–206. ISBN 84-922495-8-7.
  9. ^ Monné, Miguel A. (2006). "Catalogue of the Cerambycidae (Coleoptera) of the Neotropical Region. Part III. Subfamilies Parandrinae, Prioninae, Anoplodermatinae, Aseminae, Spondylidinae, Lepturinae, Oxypeltinae, and addenda to the Cerambycinae and Lamiinae" (PDF excerpt). Zootaxa. 1212: 1–244. doi:10.11646/zootaxa.1212.1.1. ISBN 1-877407-96-8.
  10. ^ Arnett, et al. (2002). American Beetles, Vol. 2. CRC Press, 861 pp.
  11. ^ Bouchard, Patrice; Bousquet, Yves; Davies, Anthony E.; Alonso-Zarazaga, Miguel A.; Lawrence, John F.; Lyal, Chris H. C.; Newton, Alfred F.; Reid, Chris A. M.; Schmitt, Michael; Ślipiński, S. Adam; Smith, Andrew B. T. (2010). "Family-group names in Coleoptera (Insecta)". ZooKeys (88): 1–972. doi:10.3897/zookeys.88.807. PMC 3088472. PMID 21594053. Archived from the original on 2011-07-21.
  12. ^ Švácha, P.; Lawrence, J. (2014). "2.4. Cerambycidae Latreille, 1802" (PDF). In Leschen, R.A.B.; Beutel, R.G. (eds.). Handbook of Zoology, Arthropoda: Insecta; Coleoptera, Beetles, Volume 3: Morphology and Systematics (Phytophaga). Berlin/Boston: Walter de Gruyter. pp. 77–177. doi:10.1515/9783110274462.77. ISBN 978-3-11-027446-2.

Further readingEdit

  • Monné, Miguel A. & Hovore, Frank T. (2005) Electronic Checklist of the Cerambycidae of the Western Hemisphere. PDF Cerambycids.com

External linksEdit