56 Beetles described in 1790

Agrilus sinuatus, known generally as the sinuate peartree borer or hawthorn jewel beetle, is a species of metallic wood-boring beetle in the family Buprestidae. It is found in Europe & Northern Asia and North America.

Amara alpina is a species of beetle of the genus Amara in the family Carabidae. It is native to northern parts of Europe and Asia. It was first described by the Swedish entomologist Gustaf von Paykull in 1790.

Amara apricaria is a species of beetle of the genus Amara in the family Carabidae. It is native to Europe.

Amphicerus bimaculatus, the grape cane borer beetle, is a species of horned powder-post beetle in the family Bostrichidae. It is found in Africa, Europe & Northern Asia, and North America.

Amphimallon assimile is a species of beetle in the Melolonthinae subfamily that can be found in France and Italy.

Amphimallon atrum is a species of beetle in the Melolonthinae subfamily that can be found in Belgium, Italy, Spain and on the island of Corsica.

Anthaxia cichorii is a species of jewel beetle belonging to the family Buprestidae, subfamily Buprestinae.

Anthophagus alpinus is a species of rove beetles native to Europe.

Aphodius prodromus is a species of scarab beetles native to Europe.

Bostrychoplites cornutus is a beetle species in the genus Bostrychoplites.

Buprestis rufipes is a green metallic wood boring beetle native to southern and eastern United States in North America. Little is known about this beetle. It apparently inhabits dead or dying hardwood in its adult phase.

Byturus ochraceus is a species of beetle in the fruitworm family Byturidae.

Calamobius filum is a species of beetle in the family Cerambycidae, and the only species in the genus Calamobius. It was described by Rossi in 1790.

Carabus glabratus is a species of beetle. It is a Boreo-arctic Montane species widespread in Central Europe and Northern Europe north to the Arctic Circle.

Carabus splendens is a species of beetle endemic to Europe, where it is observed in mainland France and mainland Spain.

Cercyon ustulatus is a species of water scavenger beetle in the family Hydrophilidae. It is found in Europe & Northern Asia and North America.

Chilocorus similis is a species of red-spotted lady beetles belonging to the family Coccinellidae, subfamily Chilocorinae.

Clanoptilus elegans is a species of beetles belonging to the family Melyridae, the soft-winged flower beetles. It is found in Europe.

Clanoptilus marginellus is a species of beetles belonging to the family Melyridae.

Corticaria impressa is a species of minute brown scavenger beetles native to Europe.

Cryptocephalus octomaculatus is a species of cylindrical leaf beetles belonging to the family Chrysomelidae, subfamily Cryptocephalinae.

Cryptocephalus trimaculatus is a species of cylindrical leaf beetles belonging to the family Chrysomelidae, subfamily Cryptocephalinae.

Deloyala guttata, the mottled tortoise beetle, is a species of tortoise beetle in the family Chrysomelidae. It is found in the Caribbean, Central America, North America, and South America.

Dermestes undulatus is a species of carpet beetle in the family Dermestidae. It is found in North America and Europe.

Donacia versicolorea is a species of leaf beetle native to Europe.

Drilus flavescens is a species of beetles belonging to the family Drilidae.

Drypta dentata is a species of ground beetle in the genus Drypta.

Dyschirius thoracicus is a species of ground beetle in the subfamily Scaritinae. It was described by P. Rossi in 1790.

Epuraea guttata is a species of sap beetle of the subfamily Carpophilinae.

Harpalus dimidiatus is a species of ground beetle in the subfamily Harpalinae. It was described by P. Rossi in 1790.

Julodis andreae is a species of beetles belonging to the Buprestidae family.

Lucidota atra, the black firefly, is a species of firefly in the beetle family Lampyridae. It is found in Central America and North America.

Megacephala megacephala, common name big-headed tiger beetle, is a species of ground beetle in the subfamily of Carabinae that was described by Olivier in 1790.

Melasis is a genus of soldier beetles native to North America and parts of Europe. It contains fourteen species, four of which can be found in the Nearctic realm.

Meligethes atratus is a species of pollen beetle in the family Nitidulidae. It is found in Europe and Northern Asia.

Nebria nivalis is a ground beetle in the subfamily Nebriinae. It is found mainly in Scandinavia and northern Russia; it is rare in the British Isles, where it occurs at isolated upland locations in North Wales, northern England, Scotland and the west of Ireland.

Neoclytus scutellaris is a species of beetle in the family Cerambycidae. Described by Olivier in 1790, it is found in the United States.

Nicrophorus americanus, also known as the American burying beetle or giant carrion beetle, is a critically endangered species of beetle endemic to North America. It belongs to the order Coleoptera and the family Silphidae. The carrion beetle in North America is carnivorous, feeds on carrion and requires carrion to breed. It is also a member of one of the few genera of beetle to exhibit parental care. The decline of the American burying beetle has been attributed to habitat loss, alteration, and degradation, and they now occur in less than 10% of their historic range.

Omorgus monachus is a beetle of the family Trogidae. It is found in the United States, from the Great Lakes region to Florida and west to Nebraska, Kansas, Oklahoma and eastern Texas.

Pelophila borealis is a species of ground beetle in Nebriinae subfamily which was described by Gustaf von Paykull in 1790. The species can be found in Belarus, Canada, Estonia, Finland, Latvia, Norway, Russia, and Sweden. Its is black in colour and is shiny. The size of the species is 9.5–10.1 millimetres (0.37–0.40 in) long.

Perotis unicolor, common name green jewel beetle, is a species of beetles belonging to the Buprestidae family.

Phengodes plumosa, known generally as the glow worm or railroad-worm, is a species of glowworm beetle in the family Phengodidae. It is found in North America.

Potemnemus scabrosus is a species of beetle in the family Cerambycidae. It was described by Olivier in 1790. It is known from Papua New Guinea and Indonesia.

Prasocuris junci is a species of leaf beetle native to Europe.

Protaetia fusca is a beetle belonging to the Cetoniinae subfamily.

Pterostichus nigrita is a species of ground beetle native to Europe.

Ptinus rufipes is a species of beetle in the family Ptinidae. P. rufipes is one of at least eleven species of ptinid in the subgenus Bruchoptinus. The subgenus was first described by Edmund Reitter in 1884.

Quedius cinctus is a species of large rove beetle in the family Staphylinidae.

Retrachydes thoracicus is a species of beetle in the family Cerambycidae, the only species in the genus Retrachydes.

The palm weevil Rhynchophorus ferrugineus is one of two species of snout beetle known as the red palm weevil, Asian palm weevil or sago palm weevil. The adult beetles are relatively large, ranging between two and four centimeters long, and are usually a rusty red colour—but many colour variants exist and have often been classified as different species. Weevil larvae can excavate holes in the trunks of palm trees up to a metre long, thereby weakening and eventually killing the host plant. As a result, the weevil is considered a major pest in palm plantations, including the coconut palm, date palm and oil palm.

Scaphidium quadrimaculatum, common name orange-spotted scaphidium or shining fungus beetle, is a species of beetles belonging to the family Staphylinidae subfamily Scaphidiinae.

Taeniotes scalatus is a species of flat-faced longhorn beetle in the subfamily Lamiinae of the family Cerambycidae.

Telmatophilus caricis is a species of silken fungus beetle native to Europe.

Tetralimonius quercus is a species of click beetle belonging to the family Elateridae, formerly placed in the genus Pheletes.

Trechus secalis is a species of ground beetle in the Trechinae subfamily.

Tricondyla aptera is a beetle species in the family of Carabidae. This species is found in Australia, Indonesia, Philippines, Papua New Guinea, and Solomon Islands.