Ecology

Associations

Known predators

Moneilema (cactus beetles, cactus weevils) is prey of:
Oreoscoptes montanus
Turdus migratorius
Picoides scalaris
Campylorhynchus brunneicapillus
Tyrannidae
Icteridae
Icterus
Mimus polyglottos
Cardinalis cardinalis
Sialia
Apodidae
Scorpiones
Araneae
Urocyon cinereoargenteus
Geococcyx velox

Based on studies in:
USA: Arizona, Sonora Desert (Desert or dune)

This list may not be complete but is based on published studies.
  • P. G. Howes, The Giant Cactus Forest and Its World: A Brief Biology of the Giant Cactus Forest of Our American Southwest (Duell, Sloan, and Pearce, New York; Little, Brown, Boston; 1954), from pp. 222-239, from p. 227.
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Known prey organisms

Moneilema (cactus beetles, cactus weevils) preys on:
Cactaceae

Based on studies in:
USA: Arizona, Sonora Desert (Desert or dune)

This list may not be complete but is based on published studies.
  • P. G. Howes, The Giant Cactus Forest and Its World: A Brief Biology of the Giant Cactus Forest of Our American Southwest (Duell, Sloan, and Pearce, New York; Little, Brown, Boston; 1954), from pp. 222-239, from p. 227.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:131
Specimens with Sequences:110
Specimens with Barcodes:84
Species:6
Species With Barcodes:6
Public Records:108
Public Species:5
Public BINs:35
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Barcode data

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Wikipedia

Cactus longhorn beetle

Cactus longhorn beetles (the genus Moneilema) are large, flightless, black beetles found in North American deserts of the western United States and northern Mexico. M. gigas is native to the Sonoran desert at elevations below 4900 feet (1500m).[1] The front wings of these beetles are fused forming a single, hardened shell, from which this group derives its Latin name. The genus includes twenty species.[2]

Longhorn cactus beetles feed on chollas and prickly pear cacti, and are known to feed on saguaro seedlings. Larvae bore into cactus roots and stems, sometimes killing more susceptible individuals. Adults also feed on the surface of cacti.[3]

Most Moneilema species are active during mid or late summer - the adults typically emerging during the summer monsoon season. Some Moneilema species in central and southern Mexico are reported to be active all year.

Like many flightless beetles, these beetles have limited wing musculature with a rounded abdomen and thorax, similar in appearance to a number of other flightless desert beetles. Cactus longhorn beetles resemble and mimic the behavior of noxious stink beetles in the genus Eleodes.[4]

Species

The genus includes 20 species:[2]

References

  1. ^ "Historical Biogeography of Longhorn Cactus Beetles". Forest Service Proceedings. USDA. http://www.fs.fed.us/rm/pubs/rmrs_p036/rmrs_p036_135_139.pdf. Retrieved 2010-11-24.
  2. ^ a b "Moneilemini". Cerambycidae of the New World. Larry Bezark. http://plant.cdfa.ca.gov/byciddb/bycidview.asp?tribe=Moneilemini. Retrieved 2010-11-24.
  3. ^ "Cactus Longhorn Beetle". Museum of Learning. Discovery Media. http://www.museumstuff.com/learn/topics/Cactus_longhorn_beetle. Retrieved 2010-11-24.
  4. ^ "Beetles". Invertebrates. Arizona-Sonora Desert Museum. http://www.desertmuseum.org/books/nhsd_beetles.php. Retrieved 2010-11-24.
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