114 



[May, 



OBSEEVATIONS ON BEITISH COCCIDAE. 

 BY E. EBNEST C4EEEN, F.Z.S., F.E.S. 



No. V. 

 Steingelia cjorodetsMa Nassonow. 



I liave at last succeeded in determining the male of this species. In 

 the spring o£ last year, on May 10th, masses of white floceulent matter 

 were ohserved on fallen leaves and rubbish at the base of Birch stems 

 that were known to be infested by the Steingelia. Upon closer 

 examination this floceulent matter was found to cover numerous njunphs 

 which shortly emerged as males of the above species. From the position 



Fig. 1. — Steingelia gorodetskia. a, J nymph : X 50 ; ^, adult J : X 20. 



in which the pupae occur, I should imagine that the male larvae become 

 gregarious as the period of pupation approaches. They are massed 

 (even heaped) together amongst the debris below the Birch stems. A 

 favourite position is in the shelter formed by two fallen Birch leaves 

 that are partially adherent to each other, but the masses are often dis- 

 posed at haphazard amongst the rubbish. The olive-grey jjupae are 



