Fig 239 -A plate of bees, etc. a, Melissodes Mmaculata; b, Andrena vrcrna ; c, C^ojcysJ 



lata ■ d, Halictus ligatus : e, Synkalo.ua atriventrU ; /, Osnna rusHca ; g Andrena 



' erigenia; h, Melissodes nigripes; i, Megachila mendica; k, Xenoglossa pru- 



nina; I, Tachytes mandibular is ; m, Megachila latimanus : 



more than twice natural size. 



