Cubitermitinae

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Cubitermitinae
Mushroom-shaped termite mound, Belgian Congo.jpg
Mushroom-shaped nest of Cubitermes sp.
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Blattodea
Infraorder: Isoptera
Family: Termitidae
Subfamily: Cubitermitinae
Weidner, 1956: 99

Cubitermitinae is an Afrotropical subfamily of higher termites with 28 known genera and 147 species. [1] [2] [3] [4] The nests of most taxa are either subterranean or found within the mounds of other termite species. The most well known genus of this subfamily is Cubitermes , which commonly build epigeal nests with one or more caps used to shield the nest against rainfall, giving them a characteristic mushroom shape. [5] Most members of this subfamily are soil-feeders.

Contents

Identification

The gut of workers have a specialized blind caecum/diverticulum connected to proctodeal 3 and a complex physiology that regulates the pH and oxygen supply in the gut compartments. [6] [5]

Soldiers have a generally subrectangular head capsule with a projection anterior to the frontal gland with the fontanelle being conspicuous and sunken in a pit or groove. The labrum is strongly bifurcated and the antennae have 14 - 15 articles (antennomeres). [5]

Genera

The following genera are currently recognized: [4]

Related Research Articles

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The insect order Zoraptera, commonly known as angel insects, contains small and soft bodied insects with two forms: winged with wings sheddable as in termites, dark and with eyes (compound) and ocelli (simple); or wingless, pale and without eyes or ocelli. They have a characteristic nine-segmented beaded (moniliform) antenna. They have mouthparts adapted for chewing and are mostly found under bark, in dry wood or in leaf litter.

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The Syntermitinae, also known as the mandibulate nasutes, is a Neotropical subfamily of higher termites represented by 21 genera and 103 species. The soldier caste of members of this subfamily have a conspicuous horn-like projection on the head which is adapted for chemical defense, similar to the fontanellar gun of true nasute termites. However unlike true nasutes, the mandibles of the soldiers are functional and highly developed, and they are unable to expel their chemical weaponry at a distance – instead relying on direct physical contact. Some genera, such as Syntermes or Labiotermes, have a highly reduced nasus and in some species it may appear absent altogether. Although the Syntermitinae were once grouped and considered basal within the Nasutitermitinae, they are not closely related with modern cladistic analyses showing Syntermitinae to be a separate and distinct lineage that is more closely related to either the Amitermes-group or MicrocerotermesTermitinae. It is believed the nasus evolved independently in Syntermitinae in an example of convergent evolution. Genera range from southern Mexico (Cahuallitermes) to Northern Argentina with the highest diversity occurring in the Brazilian Cerrado.

References

  1. Weidner, H. 1956. Contributions to the knowledge of termites in Angola, mainly based on the collections and observations of A. de Barros Machado (I. Contribution). Publicações Culturais da Companhia de Diamantes de Angola 29: 55-106.
  2. "Termites (Isoptera): Their Phylogeny, Classification, and Rise to Ecological Dominance". American Museum Novitates (3650): 1. 2009-07-25. doi:10.1206/651.1. ISSN   0003-0082. S2CID   56166416.
  3. ENGEL, MICHAEL S.; KRISHNA, KUMAR (2004). <0001:fnfti>2.0.co;2 "Family-Group Names for Termites (Isoptera)". American Museum Novitates (3432): 1. doi:10.1206/0003-0082(2004)432<0001:fnfti>2.0.co;2. ISSN   0003-0082. S2CID   86672880.
  4. 1 2 Engel, M.S. (2011). "Family-group names for termites (Isoptera), redux". ZooKeys (148): 171–184. doi: 10.3897/zookeys.148.1682 . PMC   3264418 . PMID   22287896.
  5. 1 2 3 Treatise on the Isoptera of the world. (Bulletin of the American Museum of Natural History, no. 377). Krishna, Kumar.; Grimaldi, David A.; Krishna, Valerie.; Engel, Michael S. Volume 1; Page 123
  6. Brune, Andreas (March 2014). "Symbiotic digestion of lignocellulose in termite guts". Nature Reviews Microbiology. 12 (3): 168–180. doi:10.1038/nrmicro3182. ISSN   1740-1534. PMID   24487819. S2CID   5220210.