THE FAMILY LYCTID^. 131 



Subsection b2. 

 Series cl. 



L. californicus Casey. — Recorded as breeding in adobe wall. 

 L. prseustus Erichson. — Habits not recorded. 



Series c2. 



L. parallelopipedus (Melsheimer), — Extensive observations have 

 been made on the habits of this species. It infests the seasoned sap- 

 wood of commercial products made from persimmon, hickory, ash, 

 oak, and bamboo; it also lives in the dead wood or natural growtli 

 of osage orange, sassafras, and fig. 



L. curtulus Casey. — Common in dead wood or natural growth of 

 mesquite, Parkinsonia, mimosa, hackberry, cotton stems, and fig. 



SUBDIVISION B. 



L. politus Kraus. — Found in dried licorice roots. 



L. hrunneus (Stephens). — In seasoned wood and dried herbaceous 

 roots. 



L. pubescens Panzer. — Habits not recorded in connection with 

 specimen. 



SUBDIVISION C. 



Section a3. 



Subserfion bl. 



L. opaculus Le Conte. — In pith of dead grapevines. 



Sjibsertinii b2. 



L. suturalis Faldermann. — Habits not recorded. 

 L. cavicollis Le Conte. — In commercial products, seasoned orange 

 wood and hickory, tanbark oak, and cordwood of live oak. 



Section a4. 



L. cinerius Blanchard. — Habits not recorded. 



L. planicoUis Le Conte. — Extensive observations have been made 

 on the habits of this species. It is common in commercial products 

 of seasoned ash, oak, hickory, persimmon, and sycamore. Rearing 

 records show that it may breed continually in the same wood during 

 a period of at least six years, or until all the wood tissue has been 

 converted into powder. 



L. carhonarius Waltl. — In seasoned oak and bamboo, in natural 

 growth and in commercial products. 



L. parvulus Casey. — In dead and dry wood of locust (Robinia neo- 

 mexicana), according to Schwarz. 



