The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle families. Numerous subfamilies are recognized, but the precise taxonomy and systematics are likely to change with ongoing research.
The tansy beetle is a species of leaf beetle. The common name derives from its main foodplant, Tansy, but it can also use other wetland plants such as Gypsywort and Water Mint. It measures 7.7–10.5 mm in length and has a characteristic bright metallic green colouration, with pitted elytra and a coppery tinge. In addition to the nominotypical subspecies, which repeats the specific name, C. graminis graminis, there are five further distinct subspecies of Tansy beetle, which, collectively, have a Palearctic distribution, although in the majority of countries where it is found the species is declining. In the United Kingdom it is designated as 'Nationally Rare'. The stronghold population here is located along the banks of the river Ouse in York, North Yorkshire. Other, small, fenland populations exist at Woodwalton Fen and at Welney Wildfowl and Wetlands Trust (WWT) reserve.
Tansy is a perennial, herbaceous flowering plant in the genus Tanacetum in the aster family, native to temperate Europe and Asia. It has been introduced to other parts of the world, including North America, and in some areas has become invasive. It is also known as common tansy, bitter buttons, cow bitter, or golden buttons. The Latin word vulgare means "common".
Cassida is a large Old World genus of tortoise beetles in the subfamily Cassidinae. The natural history of Cassida sphaerula in South Africa is a typical life cycle. Several species of Cassida are important agricultural pests, in particular C. vittata and C. nebulosa on sugar beet and spinach. The thistle tortoise beetle has been used as a biological control agent against Canada thistle.
The thistle tortoise beetle is a species of beetle in the subfamily Cassidinae and the genus Cassida. The thistle tortoise beetle can be recognized by its green, rounded back and it can be found on thistle plants in many regions of North America and Europe. The thistle tortioise beetle was first discovered in 1902 in Lévis, Quebec. In 1931, Nellie F. Paterson was the first to document the mature larva. Later, the instar larva of this species was first recorded in 2004 by Jolanta Świętojańska. The thistle tortoise beetle exhibits multiple defense behaviors, such as a flexible shield, providing a barrier against the mandibles of predators, and an excretion that protects the eggs as well.
Galeruca tanaceti is a species of leaf beetle found in the Palearctic realm, and is the type species of the genus Galeruca. It feeds on various plants in both its adult and larval stages. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae.
Cucullia artemisiae, or scarce wormwood, is a moth of the family Noctuidae. The species was first described by Johann Siegfried Hufnagel in 1766. It is found from central and southern Europe to Turkey and across the Palearctic to western Siberia, Central Asia, Manchuria, the Korean Peninsula and Japan.
Hellinsia lienigianus is a moth of the family Pterophoridae which inhabits coastal areas, dry pastures and waste ground and is found in Africa, Asia, Australia and Europe. Also known as the mugwort plume it was first described by Philipp Christoph Zeller in 1852.
Denticollis linearis is a species of click beetle belonging to the family Elateridae subfamily Dendrometrinae.
Clytra quadripunctata is a species of leaf beetle in the subfamily Cryptocephalinae. Its common name is Four spotted leaf beetle.
Cassida deflorata is a greenish coloured beetle in the leaf beetle family.
Cassida saucia is a species of beetle in the leaf beetle family, found in various Asian countries, including Armenia, Azerbaijan, Iran and Turkey. The species feeds on plants in the family Solanaceae, particularly Lycium europaeum.
Cassida leucanthemi is a species of beetle in the leaf beetle family, that can be found in Austria, the Czech Republic, France, Italy (Liguria), Poland, and Spain. The host plants are Asteraceae species, including Leucanthemum vulgare, Carduus argemose and Carduus obtusisquamosus. It also feeds on Caryophyllaceae species, particularly Silene nutans.
Cassida sareptana is a species of brownish beetle in the leaf beetle family, found in Kazakhstan, Mongolia, Russia and Ukraine. They can be found in Near East as well. The species feeds on plants from the family Asteraceae, including tarragon and Artemisia arenaria.
Cassida viridis, common name green tortoise beetle, is a species of beetle in the leaf beetle family (Chrysomelidae).
Cratosilis denticollis is a species of soldier beetle belonging to the family Cantharidae.
Myochrous denticollis, the southern corn leaf beetle, is a species of leaf beetle. It is found in Central America and North America. It is a crop pest, and has been reported to damage corn in Illinois.
Cassida malaysiana is a species of leaf beetle, situated in the subfamily Cassidinae and the genus Cassida. It was described as a new species in 2010 from specimens collected in Malaysia in 2005.
Laccoptera (Laccopteroidea) quatuordecimnotata, is a species of leaf beetle native to India, and Sri Lanka.
Notosacantha vicaria is a species of leaf beetle native to India, and Sri Lanka.
