Chrysochus cobaltinus, the cobalt milkweed beetle or blue milkweed beetle, is a member of the diverse family leaf beetles (Chrysomelidae). It occurs in the Western United States and British Columbia.
Eumolpus is a genus of leaf beetles in the subfamily Eumolpinae. It includes 40 species, most of which have a large size and include some of the largest members of the subfamily. They are distributed throughout the Neotropical realm, though one species has been recorded as far north as Arizona, and the genus is not found in the Caribbean.
Neofidia is a genus of leaf beetles in the subfamily Eumolpinae. It is distributed in North and Central America. There are 24 species recognised in Neofidia.
Metachroma suturale is a species of leaf beetle. It is found in the United States, ranging from Arizona to Texas. Its length is between 4.8 and 6.4 mm.
Metachroma is a genus of leaf beetles in the subfamily Eumolpinae. It is distributed from Ontario, Canada to Mendoza, Argentina, including the Antilles. It has also been suggested that the genus extends to the Pacific Islands, though this is not confirmed. There are about 140 described species in Metachroma, 40 of which are found north of Mexico. An extinct species is also known from the Eocene of the United States.
Eumolpini is a tribe of leaf beetles in the subfamily Eumolpinae. It is the largest tribe in the subfamily, with approximately 170 genera found worldwide. Members of the tribe almost always have a longitudinal median groove on the pygidium, which possibly helps to keep the elytra locked at rest. They also generally have a subglabrous body, as well as appendiculate pretarsal claws.
Metachroma angustulum is a species of leaf beetle. It is found in the United States.
Tymnes is a genus of leaf beetles in the subfamily Eumolpinae. It is known from North America and Central America. There are at least nine described species in Tymnes.
Spintherophyta violaceipennis is a species of leaf beetle native to North America. Its range spans from southern Arizona and California south to Mexico. The species can be identified by the color of the pronotum and elytra: the pronotum is shiny and has a dark blue color, while the elytra are dark coppery red to a deep purple. The species is reported to feed on oak, willow, juniper and pine. The specific name, violaceipennis, is derived from the Latin for "violet wings".
Metaparia opacicollis is a species of leaf beetle. It is found in New Mexico and Texas.
Metaparia is a genus of leaf beetles in the subfamily Eumolpinae. There are nine described species in Metaparia, distributed from the United States to Central America.
Promecosoma arizonae is a species of leaf beetle. It is found in southern Arizona and in New Mexico in the United States, as well as in Mexico.
Brachypnoea clypealis is a species of leaf beetle. It is found in the Eastern United States.
Coxelus serratus is a species of cylindrical bark beetle in the family Zopheridae. It is found in North America.
Brachypnoea puncticollis, the rose leaf beetle, is a species of leaf beetle. It is distributed from the Eastern United States to the Rocky Mountains.
Brachypnoea tristis is a species of leaf beetle. It is found in the Eastern United States.
Metachroma longicolle is a species of leaf beetle. It is found in the United States and Mexico. Its length is between 2.4 and 3.4 mm.
Metachroma luridum, the dark-sided metachroma, is a species of leaf beetle. It is found in the eastern United States, where its range spans from Texas to Florida and New Jersey, and in Mexico. Its length is between 3.5 and 4.0 mm.
Glyptoscelis pubescens, known generally as the hairy leaf beetle or pine chrysomelid, is a species of leaf beetle. It is found in eastern North America. It is a potential pest of pine trees.
Bromiini is a tribe of leaf beetles in the subfamily Eumolpinae. The tribe contains approximately 120 genera, which are found worldwide. They are generally thought to be an artificial group, often with a subcylindrical prothorax without lateral ridges and covered with setae or scales.
