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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 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.
Coilopus is a genus of the assassin bug family (Reduviidae), in the subfamily Harpactorinae. Species of this genus mimic wasps of the genus Vespa.
Repipta is a mostly neotropical genus of assassin bug, family (Reduviidae), in the subfamily Harpactorinae.
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.
Aulacogenia is a genus within the subfamily Stenopodainae of Reduviidae. 19 species have been described, including 5 from China.
Melanolestes is a Nearctic and Neotropical genus of assassin bugs (Reduviidae). Nine species are known :
The Peiratinae are a subfamily of assassin bugs (Reduviidae) known as corsairs. The subfamily has a worldwide distribution, but concentrated in tropical areas. About 30 genera with 350 species are described.
Rasahus is a Neotropical genus of assassin bugs (Reduviidae); 26 species have been described.
Sinea is a New World genus of assassin bugs, in the subfamily Harpactorinae. 13 species have been described, mostly from the Southwestern United States and Central America.
Pygolampis is a genus of assassin bugs in the family Reduviidae. Five species have been described from Vietnam, and at least eleven worldwide.
Ptilocnemus lemur is a species of feather-legged bug in the family Reduviidae native to Australia. Commonly known as the feather-legged assassin bug, it is a predator with a specialized gland called a trichome that it uses to attract and paralyse ants before feeding on them.
Machadoella is a genus of parasitic alveolates in the phylum Apicomplexa.
Oncerotrachelus is a genus of assassin bugs in the family Reduviidae. There are about 14 described species in Oncerotrachelus.
Pseudosaica florida is a species of assassin bug in the family Reduviidae. It is found in North America.
Pseudosaica is a genus of assassin bugs in the family Reduviidae. There are at least two described species in Pseudosaica.
Sinea coronata is a species of assassin bug in the family Reduviidae. It is found in the Caribbean Sea, Central America, and North America.
Saica is a genus of assassin bugs in the family Reduviidae. There are at least three described species in Saica.