7/17/2019 Beetles Rapid Key

http://slidepdf.com/reader/full/beetles-rapid-key 1/1

1st abdominal segment divided byhind coxae {concealed in Haliplidael

t Carabidoe, p. 152t Cicindelidae , p. 151t Dytiscidoe, p. 154† Haliplidae, p. [ 52t Gyrinidae , p. 154

Omophronidae, p. 152Rhysodidae, p. 15 1

 Antennae threadlike or beadlike

Head nearly or quite concealedby pronotum from dorsal view

t Chrysomelidae , p. 198I Lampyridoe, p. 162*Anthicidae, p. 181*Mordellidae, p. 185

Lycidae, p. 163Elmidae, p. 172Dascillidae, p. 17 0Helodidoe, p. 170Leptodiridae, p. 158

Eucnemidoe, p. 168Throscidoe, p. 168Ptinidoe, p. 188

Mandibles directed downwardor posteriorly

Pronotum keeled laterally

Head with beak or snout

† Curculionidae , p. 202*Bruchidae, p. 200 Anthribidae, p. 202

Brentidae, p. 201Salpingidae, p. 182

 Antennae with a distinct club of various kinds (Bo next page)

No abdominal segmentsexposed beyond FW

 Antennoe serrate , pectinate,or plumose

†Elateridae, p. 166†† Buprest idae, p. 169† Lampyridae, p. 162*Mordellidae, p. 185Lycidae, p. 163Ptilodactylidae, p. 170Rhipiphoridae, p. 184Pyrochroidae, p. 183Eucnemidae, p. 168Throscidae, p. 168

Heod  not concealed from dorsal view

Mandibles directed anteriorly

† Tenebrionidae, p. 186† Cantharidae, p. 162*Alleculidae, p. 187*Cucujidae, p. 176

Daseillidae, p. 170Lagriidae, p. 186Salpingidae, p. 182

Key to the Principal Families of Coleoptera †— t h e most common fami l iesI +–less common fami l ies

no symbol– leost common

I st abdominol segment not divided 6yhind coxae

Head lacking beak or snout

 Antennae threadlike, serrate,or otherwise, and not dubbed

I or more complete abdominalsegments visible beyond FW

† Staphylinidae,

 

p.1 60

*Bruchidoe, p. 200Scaphidiidae, p. 159Pselaphidae, p. 160Rhipiphoridae, p. 18 4Malachiidae, p. 164

Dasytidae, p. 164

† Chrysomelidae, p. 198† Cerambycidae, p. 196†Tenebrionidae, p, 18 6† Cantharidae, p. 162*Melandryidae, p. 188

Lycidae, p. 163Helodidae, p. 17 0

Dasytidae, p. 164Psephenidae, p. 172

Pranotum rounded laterally

† Chrysamelidae, p. 198Cerambycidae, p. 196

† Meloidae, p. 184*Anthicidae, p. 181Cleridae, p. 16 5

Euglenidae, p. 18 1Pediiidae, p. 183

Mandibles directed forward

†Tenebrionidae, p. 186*Hydrophilidae, p. 156

 *Cucujidae, p, 176*Languriidae, p. 17 5*Silphidae, p. 15 8*Erotylidae, p. [ 76

Derodontidae, p. 174Silvanidae, p. 178

Colydiidae, p. 180Mycetophagidae, p. 101

† Scorabaeidae, p. 192*Lucanidae, p. 190*Passalidae, p. 191

Sandalidae, p. 166Ostomidae, p. 164

Cleridae, p. 165Heteroceridae, p. 172

No abdominal segments exposedbeyond FW

 Very compact, nearly or quitesphericol from dorsal view

† Coccinellidoe , p. 180† Chrysomelidae, p. 198† Dermestidae, p. 164*Erotylidae,p. 17 6*Hydrophilidae, p. 156*Nitidulidoe, p. 177

*Phalacridae, p. 178Leiodidae, p. 158Byrrhidae, p. 173

 Anobiidae, p. 188

Head not concealed from dorsal view

 Antennal club asymmetrical

*Hydrophilidae,p. 156

*Silphidae, p, 168Ostomidae, p. 164Psoidae, p. 190Dryopidae, p. 172Elmidae, p. 172

Heteroceridae, p. 17 2Cleridae, p. 165

Pronotum not narrower thanFW at base

 Antennal dub symmetrical

Pronotum narrower than FW at base

*Cucujidoe, p. 176

Derodontidae, p. 174

Cleridae, p. 165Lathridiidae, p. 17 8Lyctidae, p. 190

Mandibles directed downward

†Chrysomelidae, p. 198*Hydrophilidae, p. 156*Anthicidae, p. 181*Erotylidae, p. 176Throscidae, p. 168Mycetophagidae, p. 18 1

Cryptophagidae, p. 17 5Mycetaeidae, p. 179Endomychidae, p. 180Leptodiridae, p. 15 8

Key to the Principal Familias of Coleoptera (contd.)

Last 3 or 4 (or more) antennal seg- Terminal antennal segmentsments markedly prolonged laterolly not prolonged laterally

 1 or more abdominal segmentsvisible beyond FW

†Staphylinidae, p. 160

*Nitidulidae, p. 177*Histeridae, p. 1 56

*Silphidae, p. 158*Bruchidae, p. 200Pselaphidae, p. 160Scaphidiidae, p. 159Monotamidae, p. 174

Elongate or linear, not sphericalfrom dorsal view

 Heod nearly or quite concealed6y pronatum from dorsal view

†Chrysomelidae, p. 198† Dermestidae, p. 164*Mordellidae, p. 185*Anthicidae, p. 181 Anobiidoe, p. 188Bostrichidae, p. 189Cisidae, p. 164Scolytidae, p. 204Mycetophagidae, p. 181Leptodiridae, p. 158Byturidae, p. 178Throscidae, p. 168