Conehead Termites: Profile and Information

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The conehead termite is a species of termites distinguished by the shape of the head.

It is closely related to Nasutitermes Ephrata; both species have been studied intensively, particularly on Barro Colorado Island in Panama.

These studies and others have revealed that the termite interacts with many different animals, including species of ants and a bat that roosts and cohabits with the termite.

Conehead Termites Classification

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Insecta
  • Order: Isoptera
  • Family: Termitidae
  • Genus: Nasutitermes
  • Species: N. corniger

Characteristics

The conehead termites usually have a cream body and a dark brown head. The most distinct caste of this species of termites is the soldiers, with the fontanelle enlarged to form an enormous bulb or pear-shaped head pointed at the front, and the soldiers can squirt a defensive liquid out of this tube to entangle enemies attacking the colony.

Nests are often enormous, rounded mud nests positioned up in trees, with the mud tubes and ducts meandering down on the exterior of the bark of the trees.

The nests of Conehead termites are dark brown on the surface, and there may also be localized lobes on the surface of the nest.

The queen lives in a chamber in the center of the nest (often near the tree trunk or branch to which the nest is attached) up to 8 cm wide and 1 cm high and heavily reinforced.

The thickness of the walls in the nest decreases away from the queen and towards the exterior, although if the nest is attacked by predators, the walls will be reinforced.

In one study of their nests, the heaviest nest identified weighed 28 kilograms and measured 68 cm by 46 cm by 34 cm.

The reproductives of the Conehead termites have black wings, dark bodies, and an eyespot located relatively far from the eyes.

Social Behavior

Termite colonies are examples of eusocial insects. Eusocial insects are animals that develop vast, multigenerational communal societies that help each other in the rearing of their young, often at the cost of an individual’s life or reproductive ability.

This behavior is described in that eusocial insects benefit from giving up their reproductive ability to improve the overall health of the closely related breeds.

In most cases, different castes work to fill various needs of some insects, including termites, of the whole colony. In Nasutitermes and most other termite species, there are three primary castes: reproductive alates, workers, and soldiers.

Fortress Defense

The benefits of this altruistic behavior come in two ecological modes: life insurers and fortress defenders. Most Hymenoptera, the vast majority of social insects, are life insurers, where eusociality is used as a precaution against the low life expectancy of offspring.

As fortress defenders, termites work together to best capitalize on a beneficial ecological resource, such as Conehead termites, which are usually a vast wood gallery.

Fortress defense is enough to evolve eusociality when three criteria are met: food coinciding with shelter, selection for protection against intruders and predators, and the ability to defend such a habitat.

Termite colonies are typically large nests or mound enclosures that contain enormous supplies of wood for the termites to feed on, which fulfills the first criteria for fortress defense.

In Conehead termites, the soldier caste has had their heads adapted to emit a pine-sap, toxic, sticky liquid when under attack from Tamandua anteaters. The secretion contains pinnene and other high molecular weight compounds that prevent the anteater from returning.

The termites then remain on the lookout near the breach for several minutes. This defense of the habitat adequately satisfies the other two criteria for fortress defense.

The fortress defense strategy necessitated the development of soldiers first, which has led to the unique specialization of the Conehead Termites.

The Conehead termite shows a large amount of aggression toward rival colonies. This indicates kin recognition among this species, enabling it to discern between its colony and the next.

It has also been discovered that some separate colonies display significantly low aggression toward each other, frequently resulting in colony fusion.

Reproduction

The number of fertile individuals produced by colonies of Conehead termites varies widely. Mature colonies with about 50,000 and 400,000 infertile workers typically produce between 5,000 and 25,000 reproductive alates.

In some years, large colonies do not create a fertile breed. Alate nymphs develop through five stages and spend between 5 to 8 months before leaving the colony to mate. When the alates are mature, they typically account for over 35% of the colony’s biomass.

As more males are produced from each colony, but because females are heavier by about 20 and 40%, the energy involved in each sex is similar.

Newly formed colonies tend to have plenty of queens and kings, all living in the same royal chamber in one colony, but as it progresses, colonies tend to comprise multiple queens (up to 33) with only one king. In these cases, the species can be considered polygynous, although, over some years, the species can become monogamous, having only one queen and one king.

Being polygynous in the early stages of the colony is beneficial as it allows the colony to produce many workers in a short interval and allows the production of female alates faster than if they were monogamous.

Range/Habitat

The conehead termite is a species of arboreal termite that is peculiar to the neotropics, commonly found in Bolivia, Guatemala, Panamá Honduras, Costa Rica, Mexico, Trinidad, Tobago, Puerto Rico, and Venezuela, and lately in Florida.

Nasutitermes corniger also called Motschulsky with the common name conehead termite, was discovered near a marina in Dania Beach, Florida, in 2001, where the intrusive species was probably moved from its original range in South and Central America or the Caribbean.

In January 2016, another infestation was found in Pompano Beach, Florida, roughly 21 km north of the Dania Beach population.

This intrusive termite’s potential economic and environmental consequences are tremendous due to its broad diet, including native and ornamental plants, natural landscapes and structures, crops, and orchards.

Noticeable tunnels and aboveground nests are the key characteristics of this species colony that make them susceptible to discovery, control, and possibly extermination.

The now demonstrated ability of the species to create breeding populations in the United States of America, consequently causing substantial property and landscape destruction and dissipating by human transport, intensifies the need for continued aggressive efforts toward eradicating known infestations.

Feeding Habits

Nasutitermes corniger is an ecologically adaptable species that has a broad diet. Trees, shrubs, live trees, sticks, bushes, lumber in structures, stumps, roots, fences, wooden pallets and furniture, scrap wood, paper products, and many other items made of cellulose.

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Aigbini Jennifer
Aigbini Jennifer
Jennifer Aigbini is a content writer at Kraftysprouts Media, LLC. She helps driven brands rapidly grow their impact by signaling your best client through quality content. She has three years of experience in content writing, and has undertaken projects in varieties of niches like parenting, annuities, pets, and tech.

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