INSECTS. 



285 



Kemedies. — (1) Pick off the cateriDillars by hand. (2) 

 Spread sheets under the trees, and well shake the latter 

 to cause the caterpillars to fall. (3) Gather and burn all 

 loose material around the trees in autumn. 



Pine Weevil (Hylobius abietis).— This is a weevil 

 about half an inch long, and of a dull blackish colour. 

 The females lay their eggs in crevices of the bark, and 

 the larvie therefrom hatch out in about three weeks. The 

 latter are legless, fleshy, white, and about half an inch 

 long. They form tunnels in the soft part of the bark, 



\^ay 



CONIFER BEETJ.E (HTLOBIUS ABIETIS). 

 Tht vertical line at base shovs the natural length of the beetle. 



pupate in autumn, and emerge as weevils the following 

 June. The weevils feed on the bark of the young shoots 

 of pines, firs, spruce, and la.rch. 



Eemedibs. — (1) Clear away all old stumps or roots of 

 coniferous trees from healthy plantations, so as to afford 

 no harbour for the weevils. (2) Place sheets under the 

 branches, and well shake the trees to cause the weevils 

 to fall; then collect and burn them. 



Puss Moth (Dicranura vinula). — The moths have 

 white and grey wings, marbled with black, and the whole 



