Nearctic and Neotropics (from Canada to Argentina). One species was introduced to the Hawaiian Islands, the Polynesian Islands, and Europe (Greece and Spain) [1] .
Body length from 8 to 25 mm, narrow (the ratio of body length to width is 4-5), legs are thin and long. The main color is tan, reddish-brown, orange-brown and brown-black to completely black. They differ in the cylindrical shape of the head. Predators that choose caterpillars of butterflies and other insects as victims. Large concentrations of hundreds of bugs on some plants are associated with a mutualistic relationship with the ants Allomerus decemarticulatus Mayr [1] .
Over 70 species. The genus was first described in 1803 by the Danish entomologist Johann Fabrius ( Fabricius ; 1744-1808). It is close to the genera Atopozelus Elkins and Ischnoclopius Stål [1] [2] .
- Zelus aithaleos Zhang & Hart, 2016
- Zelus amblycephalus Zhang & Hart, 2016
- Zelus ambulans Stål , 1862
- Zelus annulosus (Stål, 1866)
- Zelus antiguensis Zhang & Hart, 2016
- ? Zelus araneiformis Haviland, 1931
- Zelus auralanus Zhang & Hart, 2016
- Zelus bahiaensis Zhang & Hart, 2016
- Zelus banksi Zhang & Hart, 2016
- Zelus casii Zhang & Hart, 2016
- Zelus cervicalis Stål, 1872
- Zelus championi Zhang & Hart, 2016
- Zelus conjungens Stål, 1860
- Zelus cordazulus Zhang & Hart, 2016
- Zelus couturieri (Bérenger, 2003)
- Zelus exsanguis Stål, 1862
- Zelus fuliginatus Zhang & Hart, 2016
- Zelus gilboventris Zhang & Hart, 2016
- ? Zelus gradarius Bergroth , 1905
- Zelus gracilipes Zhang & Hart, 2016
- Zelus grandoculus Zhang & Hart, 2016
- Zelus kartabensis Haviland, 1931
- Zelus kartaboides Zhang & Hart, 2016
- Zelus laticornis Herrich-Schaeffer, 1853
- Zelus leucogrammus (Perty, 1833)
- Zelus lewisi Zhang & Hart, 2016
- Zelus longipes ( Linnaeus , 1767)
- = Cimex longipes Linnaeus, 1767
- Zelus luridus Stål, 1862
- Zelus means Fabricius , 1803
- ? Zelus modestus (Stål, 1862)
- Zelus panamensis Zhang & Hart, 2016
- Zelus paracephalus Zhang & Hart, 2016
- Zelus pedestris Fabricius, 1803
- Zelus renardii Kolenati, 1857
- Zelus rosulentus Zhang & Hart, 2016
- Zelus russulumus Zhang & Hart, 2016
- Zelus spatulosus Zhang & Hart, 2016
- ? Zelus subfasciatus Stål, 1860
- Zelus tetracanthus Stål, 1862
- Zelus truxali Zhang & Hart, 2016
- Zelus umbraculoides Zhang & Hart, 2016
- Zelus umbraculus Zhang & Hart, 2016
- Zelus versicolor Herrich-Schaeffer, 1848
- ? Zelus vittaticeps Stål, 1866
- Zelus xouthos Zhang & Hart, 2016