48 Beetles described in 1798

Abroscelis longipes is a species of tiger beetle in the genus Abroscelis.

Agabus affinis is a species of beetle native to the Palearctic and the Near East. In Europe, it is only found in Austria, Belarus, Belgium, Great Britain including Shetland, Orkney, Hebrides and Isle of Man, Croatia, the Czech Republic, mainland Danmark, Estonia, Finland, mainland France, Germany, Hungary, the Republic of Ireland, mainland Italy, Kaliningrad, Latvia, Lithuania, Northern Ireland, mainland Norway, Poland, Russia except the South, Slovakia, Sweden, Switzerland, the Netherlands, Ukraine, and Italy.

Agabus fuscipennis is a species of beetle native to the Palearctic and the Nearctic. In Europe, it is only found in Austria, Belarus, the Czech Republic, mainland Denmark, Estonia, Finland, Germany, mainland Italy, Kaliningrad, Latvia, Lithuania, mainland Norway, Poland, Russia, Sardinia, Sicily, Slovakia, Sweden, and Ukraine.

Agonum octopunctatum is a species of ground beetle in the subfamily Harpalinae. It is found in North America.

Anisodactylus sanctaecrucis is a species of ground beetle in the family Carabidae. It is found in North America.

Badister bullatus is a species of ground beetle in the genus Badister. They can be found in Europe and eastward into Siberia as well.

Calosoma investigator is a species of ground beetle belonging to the genus Calosoma and the subgenus Charmosta. The species is diffused in North-Eastern Europe and Siberia.

Carabus cancellatus is a ground beetle common in Central- and Northern Europe and Siberia. It has also been introduced into North America. Its length is 17–32 millimetres (0.67–1.26 in).

Carabus excellens is a species of beetle endemic to Europe, where it is observed in Belarus, Moldova, Poland, Romania, central and southern Russia, and Ukraine.

Ceroplesis bicincta is a species of beetle in the family Cerambycidae. It was described by Johan Christian Fabricius in 1798. It is known from the Democratic Republic of the Congo, Angola, Namibia, Tanzania, and South Africa. The species contains the variety Ceroplesis bicincta var. centralis. It feeds off of Theobroma cacao.

Chilocorus nigritus, sometimes referred to as the Malaysian ladybird beetle, is a species of lady beetle in the family Coccinellidae. It is native to SE Asia, but has been introduced for use in biological pest control in Hawaii and Europe.

Colaspis brunnea, the grape colaspis, is a species of leaf beetle from North America. It mainly occurs in the eastern United States. It is a pest of crop such as corn and soybeans, but damage by it has not been documented as economically significant. It is univoltine, and overwinters in the soil as larvae.

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

Cybister immarginatus is a species of beetle in family Dytiscidae.

Cylas formicarius, the sweet potato weevil, is a species of sweet potato weevil in the beetle family Brentidae. It is found in Africa, Australia, the Caribbean, Europe & Northern Asia, Central America, North America, Oceania, South America, Southern Asia, the Pacific Ocean, and temperate Asia.

Dyscinetus morator, the rice beetle, is a species of rhinoceros beetle in the family Scarabaeidae.

Ephistemus globulus is a species of silken fungus beetle native to Europe.

Eustrophopsis bicolor is a species of polypore fungus beetle in the family Tetratomidae. It is found in the Caribbean Sea and North America.

Falsomordellistena pubescens is a species of tumbling flower beetle in the family Mordellidae. It is found in North America.

Gyrinus minutus is a species of whirligig beetle in the family Gyrinidae. It is found in North America and Europe.

Helophorus grandis is a species of water scavenger beetle in the family Hydrophilidae. It is found in Africa, Europe, Northern Asia, and North America.

Hypera diversipunctata is a species of true weevil in the beetle family Curculionidae. It is found in North America and Europe.

Lebia bivittata is a species of beetle in the family Carabidae. It is found in Mexico and the United States.

Metacantharis clypeata is a species of soldier beetle belonging to the family Cantharidae.

Microrhopala vittata, the goldenrod leaf miner, is a species of leaf beetle in the family Chrysomelidae. It is found in North America.

Mordellistena variegata, the tumbling flower beetle, is a species of beetle in the genus Mordellistena in the family Mordellidae. It was described by Johan Christian Fabricius in 1798.

The N. brunnea is a species of the longhorn beetle family, subfamily Parandrinae. Its common names include pole borer and longhorned beetle. The longhorned beetle grows between 8 and 20 mm (0.79 in) and is yellowish-brown or reddish-brown in colour. It is the only longhorned beetle to not have longer antennae. In addition, they are serrate. Its range includes the entire eastern portion of North America. It can be seen between March and November.

Nemognatha piazata is a species of blister beetle in the family Meloidae. It is found in North America.

Olisthopus rotundatus is a species of ground beetle native to Europe.

Omophoita cyanipennis, the eight-spotted flea beetle, is a species of flea beetle in the family Chrysomelidae. It is found in the Caribbean Sea, Central America, and North America.

Paraclivina bipustulata is a species of ground beetle in the family Carabidae. It is found in the Caribbean, Central America, and North America.

Platydema ellipticum is a species of darkling beetle in the family Tenebrionidae.

Podabrus alpinus is a species of soldier beetles native to Europe.

Podabrus diadema is a species of soldier beetle in the family Cantharidae. It is found in North America.

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

Pterostichus melanarius, the strawberry ground beetle, is a species of ground beetle native to Europe.

Saperda discoidea is a species of beetle in the family Cerambycidae. It was described by Johan Christian Fabricius in 1798.

Selatosomus melancholicus is a species of click beetles native to Europe.

Silpha tristis is a species of carrion beetle in the family Silphidae. It is found in Europe & Northern Asia and North America. It was described in 1798 by the German entomologist Illiger.

Sitona sulcifrons is a species of weevil native to Europe.

Strigoderma pygmaea, the pygmy chafer, is a species of shining leaf chafer in the family of beetles known as Scarabaeidae.

Synuchus vivalis is a species of ground beetle in the subfamily Harpalinae. It was described by Illiger in 1798.

Systena elongata, the elongate flea beetle, is a species of flea beetle in the family Chrysomelidae. It is found in North America.

Tarpela micans is a species of darkling beetle in the family Tenebrionidae.

Tetraglenes hirticornis is a species of beetle in the family Cerambycidae. It was described by Johan Christian Fabricius in 1798.

Urophorus humeralis, known generally as the pineapple beetle or yellow-shouldered souring beetle, is a species of sap-feeding beetle in the family Nitidulidae. It is found in Africa, North America, Oceania, Southern Asia, Europe, and temperate Asia.

Zabrus (Pelor) spinipes is a species of ground beetle belonging to the family Carabidae, genus Zabrus, subgenus Pelor.

Zygogramma exclamationis, commonly known as the sunflower beetle, is a species of leaf beetle belonging to the family Zygogramma. It is regarded as a pest of sunflower crops in North America.