FAMILY TENEBRIOMD.E. 99 



(iEMs TENEBRIO. 

 Body uarruw eUmgalc ; thorax ijiuulrate ; antenna' filifurm and eleven-jointed, basal joint 

 ovate, second small; palpi unequal; legs slender; anterior tibiae curved, minutely 

 spurred at tlie apex ; tarsi with entire joints heteromerous. 

 Tile TKNtEKio resiiles in mills, granaries, meal-tubs, etc., upon the contents of which it 

 subsists. 



Tknebrio molitor. ( Plate xxxi, fig. 10.) 



Color black or brown : thorax darker than the elytra ; beneath dark fuscous. Head thick- 

 ly jiuuctured ; tliorax impressed on eacli side of the median line ; elytra obscurely 

 streaked and punctured ; legs shining reddish. 

 Common in bakehouses, meal-tubs, etc. 



TeNEBRIO OBSCIRIS. 



Color black, or dark brown and dull ; beneath brown. 



Te.VEBRIO CIRVIPES. 



Color black or very dark brown ; ligliter beneath. Tibiae much cui-ved. 



The mealworm is a liard smooth shining cylindrical larva about an inch long, which 

 lives upon flour, meal or bran, and is fre<2nently very destructive to biscuits on shipboard. 

 It is said to i>ass two years in the larva state, when it appears as the Tencbrio molitor found 

 in Europe and America, and probably exported to other countries. In Eurojte, the larvae 

 are raised in quantities to feed nightingales and other cage-birds. It is usually abundant in 

 grain-mills and granaries. 



I'PIS PENNSYLVAXICA (Dj.). (Plate XXV, fig. 8.) 



Dark I'mwn. Klytra finely punctured in nine equal lines. 



