108 



ENTOMOLOGY. 



FIG. 110. Lucanus dama. FIG. 111. Larva and cocoon. Natural size. 



Serricornia. 



In this group the antennse are usually serrate. 

 Family Sphindidae. Tarsi heteromerous, living in dry fungi. 

 SpMndus americanus Lee. 



Family Cioidae. Tarsi 4-jointed; antennae clavate or flabellate. Gis 

 fuscipes Mellie. 



Family Lymexylidae. Front coxae conical, prominent; tarsi slender. 

 Lymexylon serieemn Harris. 



Family Cupesidae. Head narrowed behind; eyes smooth. Cupes 

 capita f a Fabr. 



Family Ptinidae. Head not narrowed behind; eyes granulated; 

 mesothoracic epimera not reaching the coxse; antennae with usually 

 9-11 joints, variable in form. Beetles mostly of small size, often 

 living in partly decayed vegetable matter. Ptinus fur Linn, some- 

 times attacks museum collections. Anobium is the death-tick, and its 

 ally, Sitodrepa paniceaF&br., has proved at times to be a museum pest. 

 Family Cleridae. Antennae inserted at the sides of the front, usual 



ly 11-jointed, rarely clubbed; 

 tarsi 5- jointed, with membranous 

 lobes beneath the four basal 

 joints. The beetles of beautiful 

 colors, occurring on plants or 

 trunks of trees; the larvae live 

 under bark and are carnivorous, 

 and those of Trichodes (Fig. 

 112) infest nests of bees in Eu 



,, rope. A few (Corynetes, Necro- 



V-/ \ wE? J ^*^ bia) li ye on dead animal matter. 



% m A Trichodes mittaUu Kirby. 



Family Malachidae. Ventral 

 segments 5 or 6; antennae insert- 

 ed generally before the eyes. 



Fio. 112. Trichodes apiurius. 



Body with lateral, distensible vesicles. MalocMus ceneus (Linn.). 



