Southwest-north-america
Guides
Barytettix humphreysii
Humphrey's Grasshopper
Barytettix humphreysii, commonly known as Humphrey's Grasshopper, is a species of spur-throated grasshopper in the family Acrididae. It is distributed across the southwestern United States and northwestern Mexico. The species belongs to the subfamily Melanoplinae and is characterized by the presence of a spur on the ventral surface of the throat, a diagnostic feature of its group. Two subspecies are recognized: B. h. humphreysii and B. h. cochisei.
Colaspis viridiceps
Green-headed Colaspis Leaf Beetle
Colaspis viridiceps is a leaf beetle species in the family Chrysomelidae, native to southwestern North America. It was first described by Charles Frederic August Schaeffer in 1933. The species is distinguished by its greenish head coloration, reflected in its specific epithet. Two subspecies are recognized: C. viridiceps viridiceps and C. viridiceps australis.
Eupompha wenzeli
Scintillating Poppy Blister Beetle
Eupompha wenzeli is a blister beetle in the family Meloidae, first described by Skinner in 1904. It belongs to the tribe Eupomphini, a group of meloid beetles commonly associated with creosote bush (Larrea tridentata) and other desert vegetation. The species occurs in arid regions of southwestern North America and Central America. Like other Eupompha species, adults are likely active during summer months when their host plants are in bloom.
Filatima nigripectus
Filatima nigripectus is a small gelechiid moth described by Walsingham in 1911. It is known from the southwestern United States and northwestern Mexico, with records from Arizona and Sonora. The species has a wingspan of approximately 15 mm and exhibits distinctive wing patterning characterized by mottled brownish-fuscous coloration with contrasting pale markings.
Philonthus gentilis
Philonthus gentilis is a species of rove beetle in the family Staphylinidae, described by Horn in 1884. It belongs to the large and diverse genus Philonthus, which contains numerous predatory species associated with various habitats including decaying organic matter, fungi, and carrion. The species has been documented from the southwestern United States and Mexico, with records from Arizona and Texas. Like other members of its genus, it is presumed to be predatory, though specific ecological details remain poorly documented.
Pteleon brevicornis
Orange Stout-horned Luperine
Pteleon brevicornis is a species of leaf beetle in the family Chrysomelidae. It occurs in arid and semi-arid regions of southwestern North America and northwestern Mexico. The species is known from scattered records across its range, with 132 observations documented on iNaturalist. It is commonly referred to as the Orange Stout-horned Luperine.
Sphaerobothris
Sphaerobothris is a genus of jewel beetles in the family Buprestidae, subfamily Buprestinae, and tribe Chrysobothrini. The genus was established by Semenov-Tian-Shanskij and Richter in 1934. It contains five described species distributed in North America, with S. ulkei being the most frequently encountered and collected by entomologists. Members of this genus are associated with Ephedra (joint-fir) as host plants.
Systropus arizonicus
Arizona bee fly
Systropus arizonicus is a species of bee fly in the family Bombyliidae, first described by Banks in 1909. The species is native to the southwestern United States and adjacent Mexico, with confirmed records from Arizona and Mexico. Like other members of the genus Systropus, this species is parasitic in its larval stage. The genus belongs to the subfamily Toxophorinae, a group characterized by their distinctive wing venation and parasitic life history.