WAcilius semisulcatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
WAcropteroxys gracilis, the slender lizard beetle, is a species of Lizard Beetle in the family Erotylidae. It is found in Central America and North America, including into Canada.
WAgrilus aureus is a species of metallic wood-boring beetle in the family Buprestidae. It is found in Central America and North America.
WAlcidodes elegans is a species of the true weevil family. It occurs in Papua New Guinea
WAndraegoidus cruentatus is a species of beetle in the family Cerambycidae. It was described by Dupont in 1838.
WBelionota sumptuosa, commonly known as the Tricolor Metallic Wood-boring Beetle, is a jewel beetle of the Buprestidae family. It is found in Indonesia.
WCephaloon lepturides, the false leptura beetle, is a species of false longhorn beetle in the family Stenotrachelidae. It is found in North America.
WCopelatus chevrolati is a species of diving beetle. It is part of the genus Copelatus in the subfamily Copelatinae of the family Dytiscidae. It was described by Aubé in 1838. There are two described subspecies: C. c. chevrolati and C. c. renovatus.
WDineutus discolor, the large whirligig beetle, is a species of whirligig beetle in the family Gyrinidae. It is found in Central America and North America.
WDytiscus carolinus is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
WEndecatomus rugosus is a species of beetle in the family Endecatomidae. It is found in North America.
WEudicella smithii, the jade headed buffalo beetle, is an insect of the scarab beetle family, in the subfamily known as flower beetles.
WEupholus schoenherri is a species of beetle belonging to the family Curculionidae. Eupholus petitii is sometimes included here as a subspecies.
WEupholus tupinierii is a species of beetle belonging to the family Curculionidae.
WEurymorpha cyanipes is a species of beetles in the family Carabidae, the only species in the genus Eurymorpha.
WEvodinus monticola is the species of the Lepturinae subfamily in long-horned beetle family. This beetle is distributed in Canada, and United States.
WHaliplus fasciatus is a species of crawling water beetle in the family Haliplidae. It is found in North America.
WHydrophilus palpalis is a species of water scavenger beetles belonging to the Hydrophilinae subfamily.
WLaccophilus fasciatus is a species of predaceous diving beetle in the family Dytiscidae. It is found in Central America and North America.
WLopheros fraternus is a species of net-winged beetle in the family Lycidae. It is found in North America.
WMacrocheilus bensoni is a species of ground beetle in the subfamily Anthiinae. It was described by Hope in 1838.
WMicrorhopala xerene is a species of leaf beetle in the family Chrysomelidae. It is found in North America.
WMulsantina picta is a species of ladybug belonging to the subfamily Coccinellinae.
WMycetina perpulchra is a species of handsome fungus beetle in the family Endomychidae. It is found in North America.
WNecydalis mellita is a longhorn beetle in the family Cerambycidae.
WOotypus globosus is a species of silken fungus beetle native to Europe.
WOrphinus fulvipes is a species of carpet beetle in the family Dermestidae. It is found in North America, Oceania, and Europe.
WOxymerus aculeatus is a species of beetle in the family Cerambycidae. It was described by Dupont in 1838.
WPelargoderus rubropunctatus is a species of beetle belonging to the family Cerambycidae.
WPhysonota helianthi, the sunflower tortoise beetle, is a species of leaf beetle in the family Chrysomelidae. It is found in North America.
WPlatyphora testudo is a species of broad-shouldered leaf beetles belonging to the Chrysomelidae family. This species can be found in Panama and Ecuador.
WPriocera castanea is a species of checkered beetle in the family Cleridae. It is found in North America.
WPterostichus punctatissimus is a species of woodland ground beetle in the family Carabidae. It is found in North America.
WRhagonycha nigriceps is a species of soldier beetles belonging to the family Cantharidae, subfamily Cantharinae.
WThe sisal weevil or agave weevil is a species of polyphaga beetle of the family of the Curculionidae.
WSphaenothecus trilineatus is a species of beetle in the family Cerambycidae. It was described by Dupont in 1838.
WSphenophorus cicatristriatus, known generally as the Rocky Mountain billbug or Denver billbug, is a species of true weevil in the beetle family Curculionidae. It is found in North America.
WSphenophorus parvulus, the bluegrass billbug, is a species of beetle in the family Curculionidae. It is found in North America, especially in the eastern United States. It is a pest of Kentucky bluegrass, other grasses, corn and grain crops.
WSynchroa punctata is a species of synchroa bark beetle in the family Synchroidae.
WThermonectus nigrofasciatus is a species of diving beetle native to the eastern United States. T. nigrofasciatus is distinguished by its black, postmedian transverse blotch on its elytra, hence "nigrofasciatus."
WTropiphorus terricola is a species of broad-nosed weevil in the beetle family Curculionidae. It is found in North America.
WXestiodion pictipes is a species of beetle in the family Cerambycidae. It was described by Edward Newman in 1838.
WXylosteus spinolae is the species of the Lepturinae subfamily in long-horned beetle family. This beetle is distributed in Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Italy, Montenegro, North Macedonia, Romania, Serbia, Slovenia, and Turkey. Adult beetle feeds on flowers of common filbert, and common beech.