Byturid;e 31 



DRYOPIDiE 



LiARINAB 



Boving 29, 31. 



The studies of Dr. Boving- ton the larvse of the beetles heretofore grouped 

 in the series Dr>-topoidea, Dascilloidea and Byrrhoidea indicate certain 

 changes in classification whereljy the subfamilies Larinae and Helminae 

 are separated from Dryopidse. 



Lara 



21074. gehringi Darl. 29-329 Wash. Cal. 

 9590a. amplipennis Darl. 29-330 



Wash. B. C. 



Helminae 



Stenelmis Helmis 



21075. fuscatus Blatch. 25-164 Fla. 21081. dispar Fall 25-180 Cal. 



210S2. arizonica' Brown 30-90 Ariz. 



Hehnis 21083. thermarum Darl. 2S-5 Oregr. 



21076. brunnescens Fall 25-177 21084. koebelei Martin 27-68 Wash. 



Cal. 9628 = 9619, fide Fall 25-180 



21077. castajiipennis Fall 25-177 Limnius 



Wyom. 21085. trivittatus' Brown 30-91 



21078. immunis Fall 25-178 Ct. N. J. Que. 



21079. tardellus Fall 25-179 Mass. 21086. subarcticus Brown 30-241 



21080. ampliatus Fall 25-179 Mass.-Va. Que. 



PTILODACTYLIDiE 



Ptilodactyla 



21087. equilobata Chapin 27-245 



Tex. 



21088. exotica Chapin 27-246 111. 



HELODIDiiE 



Cyphon 



21089. confusus Brown 30-91 Que. 



DASCILLIDiiE 



Macropogon 



21090. dubius Brown 29-273 B.C. 



21091. cribricoUis Brown 29-2T4 



B.C. 



21092. nibricoUis Pic 27-34 Cal. 



BYTURIDiZE 



The genus Bj-turus is found on larval characters to belong nearer to the 

 Anthicidae than the Dermestidse and is separable as a family. The 

 DermestidjE are divided into two subfamilies, Dermestinae and At- 

 tageninse. The genus Thylodrias is apparently included in the latter. 



