1919] 



Wheeler — Two Gynandromorphous Ants 



of the head is subopaque as in the male and not smooth and shin- 

 ing as in the female, but the pilosity is long as in the latter though 

 the hairs are dark and not golden as in the female. Thorax 

 similar to that of the female but the pro- and epinotum are some- 

 what narrower and the former is asymmetrical, being shorter on 

 the left than on the right side so that the head is turned to the left. 

 The mesonotum and scutellum are more like those of the male. 

 The thorax is black and has the same sculpture and short, sparse 



Fig. 1. GynandTouiorph of Lasius (Acanihomyops) laiipes Walsh. 



pilosity as in the male, with the exception of the epinotum, which 

 is reddish -yellow and has the long, abundant, golden hairs of the 

 female. The petiole, too, is entirely of the female type in shape, 

 color and pilosity. The gaster is narrower and more pointed 

 posteriorly than in the normal female and with six visible segments 

 and therefore more nearly of the male type. Its first and second 

 segments are entirely black above (male), the third reddish-yellow 

 (female), except for a black, asymmetrical transverse blotch at the 



