NOTES OF OBSERVATIONS 



OF 



INJURIOUS INSECTS 



COMMON CKOP PESTS. 



During 1892. 



ALDEK. 



Alder or "White-barred" Clearwing Moth. Trochilium. spha- 

 f/iforme, Westwood. 



ifjjaitiii!^'' 



Trochilium sph^egiforme. 



1, Clearwing Moth; 2, infested Alder-stem ; 3, chrysalis : allfrom life ; 4, cater- 

 pillar (catei-pillar copied from fig. 1, plate xxviii. of vol. ii. of 'Larva) of British 

 Butterflies and Moths,' by W. Buckler, published by the Eay Society). 



B 



