On the Apidie in the British yfuseum. 325 



XX \ III. — Sntes on the Apichii {Ilymenoptfira) in the Cof lec- 

 tion of the British Mu.-eum, with descriptions ('f new Species, 

 By (iEoffiu:y Meadi:- Waldo, M.A. 



(riibli-.lit'il In- jRTiiii.-.si.iii of the Trustees of the British MiHeum.) 



VI. 



Among the lai^^e collrctions of llyincnoptera made by 

 Mr. R. E. Turner iit Western Australia during \\\a recent 

 visit, proljahly no single genus is more richly represented 

 tlian Megachile. The earlier species (those collected at 

 Yallingup) Were princi{)ally found burrowing in the sand, in 

 which they niaile their cells, or ent^-ring holes made by 

 beetles in the tree-trunks ; those collected later were irre- 

 sistibly attracted by the blossoms of gum- and acacia-trees. 



Altogether twenty-four s|)ccies were collected between 

 October 1913 and Ft briiary 11)14, of which six are described 

 as new. In working these out I have had the advantage of 

 consulting Professor Cockcrell's MS. keys to the Australian 

 Megacliile^ and have found them extremely useful ; by their 

 means I liave been able to arrive at the affinities between 

 the new species and described species I have not seen. The 

 discovery of a female Thaumatosonia is very satisfactory. 



A complete list of the species of Megachile taken is given. 

 Mr. Turner^s itinerary was as follows: — Yallinguj), Oct. 1913- 

 Jaii. 23; 1914: ; liusselton (20 miles E. of Yallingup), Jan. 

 24-27, 1914; Perth (150 miles N.N.E. of Busselton), Feb. 

 1-7, 1914 ; Kalamunda (15 miles E. of Perth), Feb. 9-2S, 

 1914. 



1, Megachile [Eumegachilt) auri/rons, Smith. 

 Perth, Feb. 1914. 2 ? ? . 



2. Megachile (^Eumegacliile) trythropyga, Smith. 



Yallinguj), Kalamunda, Perth. A long series of both 

 sexes. 



3. Megachile (^Ku megachile) nasuta, Smitii. 



Yallingup. 14 ? ?. 



4. Megachile eriadiformis^ Smith. 



Yallintfup. A loni' s ries of both sexes. 

 Ann. d: Mag. X. Hist. Ser. 8. Vol. XV. 22 



