168 



NEW YORK STATE MUSEUM 



has long been confused with N. leucostigma. As an aid to the ready 

 identification of these interesting larvae, the following table by Dr Dyar, 

 is reproduced : 



Synopsis of the larvae of Notolophus 



Head yellow, colors in general pale defifiiia 



Head red 



A distinct yellow subdorsal band leucostigma 



Gray marks predominate, the yellow band not notice- 

 able var. i?ior7iata 



Head black 



Warts crimson, brush-like tufts dark along the crest, 

 the yellow lines along the sides broken into spots 



One black tuft in young larva vetusta 



Two black tufts in young larva var. cana 



Warts orange, brush tufts unicolorous, yellow or 

 white, side lines -usually continuous 



A lateral black hair-pencil from joint 6 antiqua 



No lateral black pencil var. badia 



Natural enemies. If the experience of later years is any criterion, 

 certain native birds may well be regarded as most effective natural 



Fljf. a: i-iMPi.A iNQuisrroK : m, full-grown summer larva; ^, hibernating larva ; <:, mouth-parti of 

 larva ; d^ adult female ; e^ abdomen of adult male from side— all enlarged ; c\ greatly enlarged, 

 (after Howard : U. S. Dep't agriculture, Division entomology. Tech. ser. no. 5, 18^7). 



checks upon this species. The following are those named by Dr Lintner 

 as feeding upon the caterpillars of this pest : The robin, Meriila migra- 

 ioria Linn., the Baltimore oriole. Icterus galbula Linn., the black-billed 



* Psyche. 1896. 7 ; 34a. 



