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A BRACONID PARASITE ON THE PINE WEEVIL, 

 HYLOBIUS ABIETIS. 



By J. W. MUNRO, B.Sc. (Agr.), B.Sc. (Arb.), Edin. 



The following notes are the result of observations made on pine 

 weevils and parasites collected in a plantation on the estate of Banchory 

 Devenick near Aberdeen. The-plantation in question was formed in 

 the spring of 1911, a year after the removal of the old crop which was 

 a pure wood of Scots pine. The stumps and roots of this old wood afford 

 ideal breeding places for the pine beetle {H. piniperda) and the pine 

 weevil {Hylobius abietis), and they are to be found in considerable 

 numbers. 



Fig. 1. Larvae of H. abietis. x 6. 



The work of the pine weevil is familiar to all interested in forestry. 

 It is harmful only in the adult state and does considerable damage by 

 gnawing the tender bark of young conifers causing them to wilt and die. 

 Where conifers are not to be got it will readily attack birch, mountain 

 ash, and oak. 



