ORDER HYMENOPTERA 



309 



the following season. The adults will be found flying around 

 all through the midsummer months. Perhaps they are a 



Fig. 249. — The Argentine ant, adult forms: a, adult male; al, head of 

 male; a2, petiole of male; h, worker; bl, head of worker; h2, petiole of 

 worker; c, fertile queen; cl, head of queen; c2, petiole of queen. All 

 greatly enlarged. (After Newell.) 



