2^6 THE SCOLYTID BEETLES. 



Page. 



Scolytoplatypodidie, in key to families 224 



Scolytoplatypodinre, in key to subfamilies 225 



Scohj to platypus — 



food habits 199 



general habits 198 



Scolytus — 



abdominal sternites 182 



distribution 210 



food habits 199 



galleries 201 



host plants 209 



legs 179 



nuptial chamber 202 



reproductive organs 194, 195 



types of genera 219-220 



Scolytus muticus — 



pupal cell 204 



reproductive organs 192 



Scolytus punctatus, described by Miiller 220 



Scolytus quadrispinosus — 



food burrows 203 



reproductive organs 188, 192 



Scolytus rugulosus — 



food burrows 203 



reproductive organs 188, 192 



(Scolytus) terebrans, included in Dendroctonus 3 



Scolytus terebrans, synonym of Dendroctonus terebrans 5 



Stenoscelis, general habits 198 



Stephanoderes — 



antennal funicle 171 



distribiition 210 



food habits 199 



head 177 



pupal habits 199 



secondary sexual characters 195 



social habits 200 



Taphrorychus, reproductive organs 195 



Thysanoes, pupal cell 204 



Tomicus — 



food plants 199 



types of genera 220-221 



Tomicus ( Myelophilus), host 209 



TrypopMmis, hosts 208-209 



Ulmus, host of Scolytus 209 



Webbia — 



legs 179 



original description 222, 223 



Webbia dipterocarpi, description 223 



Webbinse, in key to subfamilies 224 



\ 



