August, '16] PIERCE: HABITS OF POLYDRUSUS 431 



birch {Betula alba L.) and oak; also occurs on hornbeam, hazel and larch {Larix 

 europcea h.) (Kleine, p. 104). 



Polydruiius (Eustolus) cervinus melanostidus Chevrolat is said by Bouche to breed 

 in August in the tips of oak branches where it cuts the leaves to form an involucre. 

 This record is questioned by other authors (Bargagli, p. 57). 



Polydriisus {Eustolus) jnlosus Gredler {melanosiictus Chevrolat) of Europe occurs 

 on hornbeam (Bargagli, p. 58); on spruce {Picea excelsa Lam.) (Kleine, p. 103); 

 on birch and beech (Schaufuss, p. 1057). 



Polydrusus (Eustolus) griseomaculatus Desbrochers in France lives on beech 

 (Bargagli, p. 58). 



Polydrusus (Eustolus) rubi Stierhn occurs on Rubus idaeus L. (Kleine, p. 103). 

 Subgenus PoLYORUsrs Germar 



Polydrusus pilosidus Chevrolat (mollis Boheman, villosulus Chevrolat) of Europe 

 feeds on the young foliage of oak and Pinus pinea (Bargagli, pp. 58, 60). 



Polydrusus leucaspis Boheman (suturellus Chevrolat) in Corsica is found on elm 

 (Bargagli, p. 58). 



Polydrusus tereticollis DeGeer (undata Fabricius) of Europe feeds on the foliage of 

 alder, pine, birch, hazelnut, and hornbeam (Bargagli, p. 59); also on beech, oaks 

 (Quercus pedunculata Ehrh., and Q. sessiliflora Lam.), fir (Picea excelsa) and pine 

 (Pinus silvestris). 



Polydrusus ruficornis Bonsdorff (intermedius Zetterstedt) of Europe feeds on the 

 foliage of birch and pine (Pinus silvestris) in July and August (Bargagli, p. 58); 

 on hazel (Kleine, p. 104). 



Polydrusus picus Fabricius in Germany is found on young beech (Bargagli, p. 59). 



Polydrusus sparsus Gyllenhal is found on oak in Germany, on alder (Alnus glutinosa) 

 in Corsica, and on Rubus in Italy, and has been taken hibernating under bark of 

 Platanus orientalis (Bargagli, p. 59). 



Polydrusus prasinus Olivier (planifrons Gyllenhal) of Europe feeds on foliage of 

 birch, Uriica and alder (Alnus incana) (Bargagli, p. 59); and on oak (Bedel, p. 243). 



Polydrusus brevicollis Desbrochers in Italy is found on plum (Prunus spinosa) 

 (Bargagli, p. 57). 



Polydrusus villosulus Chevrolat is rarely found in Spain in a forest of Pinus pinea 

 (BargagU, p. 60). 



Subgenus Tylodrusus Stierlin 



Polydrusus (Tylodrusus) pterygomalis Boheman (pterygomalicus Boheman) of 

 Europe is found on hawthorn, willow and cherry (Bedel, p. 244); on birch, hazelnut 

 and beech (Kleine, p. 104). 



Polydrusus (Tylodrusus) coruscus Germar of Europe is found on willow (Bedel, 

 p. 244) and on birch (Schaufuss, p. 1057). 



NOTES ON ANASA ANDRESII GUER., AN ENEMY OF 



CUCURBITS ' 



By Thos. H. Jones, Entomological Assistant, Truck Crop and Stored Product Insect 

 Investigations, Bureau of Entomology, United States Department of Agriculture 



Two species of the heteropterous genus Anasa have ah-eady at- 

 tracted the attention of economic entomologists. These species, 

 iristis DeG. and armigera Say., are both known enemies of cultivated 



1 Published by permission of the Secretary of Agriculture. 



