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The Reduviidae are a large cosmopolitan family of the order Hemiptera. Among the Hemiptera and together with the Nabidae almost all species are terrestrial ambush predators: most other predatory Hemiptera are aquatic. The main examples of nonpredatory Reduviidae are some blood-sucking ectoparasites in the subfamily Triatominae. Though spectacular exceptions are known, most members of the family are fairly easily recognizable; they have a relatively narrow neck, sturdy build, and formidable curved proboscis. Large specimens should be handled with caution, if at all, because they sometimes defend themselves with a very painful stab from the proboscis.
The members of the Triatominae, a subfamily of the Reduviidae, are also known as conenose bugs, kissing bugs, or vampire bugs. Other local names for them used in Latin America include barbeiros, vinchucas, pitos, chipos and chinches. Most of the 130 or more species of this subfamily feed on vertebrate blood; a very few species feed on other invertebrates. They are mainly found and widespread in the Americas, with a few species present in Asia, Africa, and Australia. These bugs usually share shelter with nesting vertebrates, from which they suck blood. In areas where Chagas disease occurs, all triatomine species are potential vectors of the Chagas disease parasite Trypanosoma cruzi, but only those species that are well adapted to living with humans are considered important vectors. Proteins released from their bites have been known to induce anaphylaxis in sensitive and sensitized individuals.
The Cimicomorpha are an infraorder of insects in the order Hemiptera, the true bugs. The rostrum and other morphology of all members apparently is adapted to feeding on animals as their prey or hosts. Members include bed bugs, bat bugs, assassin bugs, and pirate bugs.
The Emesinae, or thread-legged bugs, are a subfamily of the Reduviidae. They are conspicuously different from the other reduviids by their very slender body form. They are stalking, predatory insects that can be collected on palm fronds, cliffs, spider webbing, or near lights at night. They walk on their mid and hind legs; the front pair is raptorial. Some groups specialize on spiders. Very little is known about emesines except that many species are found in the tropics. Pedro Wygodzinsky wrote the most recent revision of this group.
Ghilianella is a genus of true bug in the subfamily Emesinae. Fifty-eight species have been described, with a distribution from Guatemala to Brazil. The linear form of the species in this genus allow the young larvae to be carried about by the mother or perhaps the father. The larvae of the young can curl around the parent's thorax.
Stenolemus is a genus of thread-legged bug (Emesinae). Species of this genus are noted for preying on spiders.
The Emesini is a tribe of thread-legged bugs.
The Leistarchini is a tribe of thread-legged bugs.
The Metapterini are a tribe of thread-legged bugs, assassin bugs of subfamily Emesinae.
Ploiariolini is a tribe of thread-legged bugs, comprising 16 genera and 142 described species. Ploiariolini has a worldwide distribution.
Onychomesa is a little-known genus of thread-legged bug in the subfamily Emesinae. Three species have been described, one from India, Japan, and Taiwan.
The Holoptilinae are a subfamily of Reduviidae known as feather-legged bugs or ant wolves. Several members of the subfamily specialize on ants. About 16 genera are known, with about 80 species described. Species in the Holoptilini tribe possess a specialized organ called a trichome to attract ants.
Sphedanolestes is a large genus of assassin bugs in the family (Reduviidae), subfamily Harpactorinae. There are more than 190 described species, which are found in southern Europe, Africa and Asia.
The Stenopodainae are a subfamily of Reduviidae. Many species of this subfamily are endemic to tropical rainforests, and some smear their fore legs with sticky, plant-derived resin, to aid in prey capture.
Melanolestes is a Nearctic and Neotropical genus of assassin bugs (Reduviidae). Nine species are known :
Acanthaspis pedestris is a species of assassin bug that functions as a beneficial insect in agricultural systems.
Triatoma indictiva is an arthropod in the assassin bug family of Reduviidae, and is an important vector of Trypanosoma cruzi. T. cruzi is the protozoan that causes Chagas Disease, which affects approximately eight million people a year in the western hemisphere alone. Triatoma indictiva is found in Mexico and throughout the southern United States, including Arizona and Texas.
Rhynocoris longifrons is a species of assassin bug in the family Reduviidae. It is a predator of other insects and is found in Asia. Crops on which it is found feeding on pests include pigeon pea, cardamom and peanuts. The insects are potentially useful in biological control because they are more resistant to pesticides than are the pests they consume.
Rhynocoris marginatus is a species of assassin bug in the family Reduviidae. It is a predator of other insects and is found in Asia. Crops in India on which it has been found feeding on pests include sugarcane, pigeon pea, cardamom, cotton, tea, and peanuts. The insects are potentially useful in biological control because they are more resistant to pesticides than are the pests on which they feed.
Acanthaspis quinquespinosa is a species of assassin bug found in India, Sri Lanka, Myanmar, Nepal and Tibet. It is a predator, and both nymphs and adults feed on termites, beetles, caterpillars and other insect prey.
References
- ↑ Dunston Ambrose (2006). "A checklist of Indian assassin bugs (Insect: Hempitera: Reduviidae) with taxonomic status, distribution and diagnostic morphological characteristics" (PDF). Zoos' Print Journal. 21 (9): 2406.
- ↑ Dunston Ambrose (2006). "A checklist of Indian assassin bugs (Insect: Hempitera: Reduviidae) with taxonomic status, distribution and diagnostic morphological characteristics" (PDF). Zoos' Print Journal. 21 (9): 2406.