FARMERS' FRIENDS AMONG THE WASPS AND HORNETS 



LOOK FOR BURROWING BEES ON DRY SLOPES TN YOUR LAWN 



Faces of Halictus pruinosus stop entrances (left), and a female dashes home (center). Enemies 

 include a wingless wasp (/'^^«rf07«<'///0("iryr/^;'£f(r, right) , Metopia leucocephata (left), Loxoh'opa sp., 

 below, and Megaselia divergens (right center). A Bee-catching wasp crawls down its hole. 



'.^V^'i ^"^^^ ' 



I National Geographic Society 



TWO PARASITES. ONE INSIDE THE OTHER, LIVE WITHIN THE CABBAGE CATERPILLAR! 

 Tiny wasps (Apanteles glomerafus, on yellow cocoons) lay -eggs inside the host. Smaller ones 

 {Asiomaspis nana extreme upper right, and Tctrastichiis rapo, lower) prey upon the first. Itoplcctns 

 conauistor (lower male, left; female, right) and Pteromalus pnparum (left center) destroy the chrysalis. 



VII 



