1907.] 



Insect, Fungous and other Pests. 



217 



mended : — (1) The beetles may be shaken from the trees on 

 to tarred boards or sacks spread beneath, the best results being 

 obtained if the work be undertaken in the early morning. 

 There are records of infested gardens being well cleared of the 

 insects in this manner. (2) The foliage may be sprayed with a 

 mixture of 1 lb. of Paris green in 250 gallons of water. 



Carabus Beetle. — Some larvae forwarded from near Worcester 

 were identified as those of a Carabus beetle, the grubs being 

 •carnivorous in diet, preying on insects that are sheltering or 

 pupating in the soil. Most of the Carabus family are also 

 carnivorous in the adult or beetle stage, but certain adult 

 species of the genera Pterostichus and Harpalus are sometimes 

 very troublesome among strawberries and have been known 

 to injure mangolds. 



Specimens of the Pea and Bean Weevil (Sitones) (see Leaflet 

 No. 19) were forwarded from Bourne, Lines., where crops of 

 winter beans are said to have been completely ruined ; while 

 the Clay-coloured Weevil, Otiorrhynchus picipes, has been found 

 doing much damage near Dumfries, especially in nurseries. 

 This weevil is dealt with in the Board's Leaflet No. 2. A 

 species of Otiorrhynchus appears also to be damaging goose- 

 berry bushes at Gilmerton, Midlothian. 



Pine Beetle. — A Hampshire correspondent, who has followed 

 the instructions given in Leaflet No. 91 against the Pine Beetle, 

 Hylesinus piniperda, inquires what should be done in the case 

 ■of living trees which have been attacked by the beetle. Un- 

 fortunately there is no actual remedial measure by which 

 the brood can be reached and destroyed in standing trees. The 

 larvae tunnel between the wood and the bark and cannot be 

 reached from the outside. Badly infested trees can only be 

 treated as " trap trees," and care should be taken to fell and 

 bark them before the brood of beetles has issued to lay the eggs 

 for the next generation. Here and there among the healthy 

 trees a pine should be felled and allowed to lie so as to attract 

 •egg-laying beetles. These trap pines should have their bark 

 removed while the brood is in the grub or larval stage. 



Flies. — Specimens of chrysanthemums sent from Carnforth 

 were found to be attacked by the Chrysanthemum Leaf 

 Mining Fly (Trypeta). From the egg laid by the adult 

 insect a larva hatches and proceeds to mine in the tissue 



