SOCIBTIKS. 239 



Eiistalis tenax is, under oidinary circumstances, a nectar feeder, so 

 is there some sweet substance wliicii exudes from the roof, soaked 

 through from the stone alcove, to attract these sun-loving flies into 

 such a dismal place? Perhaps a reader of the ' l^jutomologist ' can 

 explain the phenomenon. — W. J. Arkell ; Redlands Court, High- 

 worth, Wilts, September i6th, 1920. 



SOCIETIES. 



London Natural History Society.^ — May itJt. — Mr. E. W. 

 Eobbins, President, in the Chair. — Messrs. H. .T. Davies and H. S. 

 Stowell wei'e elected Members of the Society. — Dr. Cockayne read a 

 paper on " Fluorescence in Lepidoptera," which was followed by an 

 interesting discussion. 



Jiuie 1st. — The President in the Chair. — Rev. H. J. Gand^le was 

 elected a Member of tlie Society. — Among the entomological exhibits 

 were : Aricia viedon and its varieties salniacis and artaxerxes from 

 Scotland (Mr. H. B. Williams) ; Euchloe cardaviines, a series (Mr. 

 C. H. Williams) ; galls of Andricus circulans on Quercns cerris from 

 near Hounslow ; Ncuroterus tricolor on Quercus pedunculata from 

 which the tlies were emerging. — H. J. Burkill, Minuting Sec. 



The South London Entomological Society. — June ^ith, 1920 

 —Mr. K. G. Blair, B.Sc, F.E.S., President, in the Chair.— Exhibition 

 and discussion of Ili/drionieiia furcata, Thun. (cliitata). — Messrs. 

 Turner, Barnett, etc., exhibited series. The first-named showed a 

 copy of Thunberg's ' Dissertationes,' 1781, containing the original 

 figure and description of the species, and read notes on the lines 

 of variation and pointed out the named forms. In Mr. Barnett's 

 series was a very fine example of the infuscata form. — Mr. S. Ashby, 

 specimens of the rare beetle Levia criclisoni taken by Mr. Ashby 

 and himself near Rye in April last. — ^Mr. Bunnett, series of the 

 Rhyncophorous beetle Attelabus nitens (curciUionoides) with leaves 

 of oak rolled by the larvte, and also larvie and pupa? of Lcdra aiirita 

 (Hemip.). 



July Sth, 1920.— The President in the Chair.— Mr. Newman 

 exhiliited living larvte of Phryxns livornica from ova laid l)y a female 

 captured in Dorset in May, and made remarks on their habits. — 

 Mr. Witliycombe, Pj larva on hawthorn of Saturnia pyri from a batch 

 of ova from S. France. — Mr. Dunster, a series of Melitcea anrinia 

 taken in Somerset in May, and of Epinephclc tithoniis showing 

 additional spots on the fore wings. — Mr. Carr, series of Brenthis 

 euphrosync from Crockham Hill.— Mr. K. G. Blair, bred specimens 

 of the bee Colletes daviesana from Shanklin, with five species of 

 inquilines and parasites ; also living examples of Cicindcla germanica 

 bred from larvie found May 4th. 



July 22nrf.— Mr. K. G. Blair, B.Sc, F.E.S., President, in the 

 Chair. — The President exhibited Civiex jjyji.s^re/Z?ts, a Hemipteron 

 infesting the bat. — ^Mr. Turner, a box of Lepidoptera collected by 

 Mr. Grosvenor, chiefly at Bangalore, India. — Mr. Priske recorded 

 that in five or six traps set in Richmond Park for Coleoptera, five 



