Galls caused by the larvae of Aulax papaveris Cameron 



on 



the seed-heads of Papaver dubium and P. Rhaeas Linn. 



PLATE 128. 



Synonymy of Insect. 



Diplokpis papaveris Ferris. 



Aulax minor Htg. 



rhceadis Htg., Schenck, Nass, Tasch, Mayr, Thorns, 

 Westwood. 

 H.\BITAT OF THE PoPPY.— In almost every English cornfield, 



and in many in Ireland and Scotland, as also upon every 



railway-bank, the bright scarlet flowers cannot fail to 



be seen. 

 The Gall is formed by the swelling of the affected seed, ova 



being deposited when the plant is in flower. 

 Position.— Enclosed within the seed-capsule. 

 Manner of Growth.— Adherent to each other in clusters 



of as many as ten or even more. 

 Colour.— Greyish white, gradually getting greyer with age. 

 Average Dimensions of a Mature Specimen. 



Girth, s mm. 

 May be sought during the months of June, July, and August. 

 The Growth is complete by the end of July. 

 The Typical Condition of the gall is plurilocular. Usual 



number of cells, 40. 

 The LARV.T, pupate in the gall. The imagines emerge 



during ? 



Parasites. — Pezomadius papaveris Foer, Raptrocneinis papa- 

 veris Foer, Holaspis niilitaris Boh., Oryinus papaveris 



Pcrris. 



If it is desired to rear the imagines, the seed-capsules should 

 not be gathered until they are fully ripe. 



The gall is also figured by Peter Cameron, " British Phyto- 

 phagous Hymenoptera" (Ray Society), vol. iv., plate 8. 

 289 19 



