FORFICULA AUK I C UL All I A . 



41 



FEMALE IMAGO. --Similar to the male; but the anal 

 tubercles are not so pronounced, and the callipers are 

 simple, almost in contact, and nearly straight except 







FIG. 6. Wing of Forficula auricularia Linnaeus ( x 8). 



at the tip (fig. 9). Lenr/fh 14-19 mm. ; length of 

 callipers 2 "5-3 '5 mm.* 



EGGS (fig. 7). Slightly oval, but nearly elliptical; 

 pale yellowish; smooth and shining with a pearly lustre ; 

 longest axis about 1*25 mm., shortest about 1 mm. 



8 



9 



Fio. 7. Egg of Forficula auricula ,-'i. Linnaeus ( x 16). 



FIG. 8. Forficula auricularia Linnaeus. Apex of abdomen of male ( x 8). 



FIG. 9. Forficula auricularia Linnaeus. Apex of. abdomen of female ( x 8). 



This measurement and description were made from 

 eggs found in a garden in Southport by 0. Whittaker. 

 Not many eggs appear to be laid, and perhaps a batch 

 for this species would usually contain about 25. There 



* For papers on the Proportion of the Sexes by H. H. Brindley see 

 ' Proc. Camb. Philos. Soc.' 1912 and 1914. At present few definite conclusions 

 can be drawn from the many observations made. 



