HYLASTES ATER. 



263 



Stein thinks its destructiveness over-rated, and Eichhoff that 

 it only does secondary damage. 



More information as to its habits is therefore called for. 

 The economic treatment of this species is the same as that of 



T. ti/p(Kj!-apJ(ll>>, L. 



Figs. 123 ami 124. — Ikinows oi H. paUialus, Gyll., in spruce bark. 



{Natural size.) 



a, $ Characteristic mother-galleries. y Larval galleries. 



5 Mother-galleries wiiere no larvae have been produced. 



2. Hylastcs ater, Payk. 

 a. Description. 

 Beetle 4 to 5 mm. long, of slender build ; deep black, 

 brownish -red antennae and tarsi. Thorax much longer 



with 

 than 



