Agape tus 

 :omatu5. 



68 GLOSSOSOMA VERNALE 



spur projecting from the sixth ventral segment. 

 The genitalia are shown in Fig. 38. 



Another species belonging to this genus is 



FlG. 38. Genitalia of Agapctus fuscipcs , <J , 

 from above. 



comatus, which is present in great numbers on 

 the Test throughout the season . 



Glossosoma 

 vein ale. 



Family . . RHYACOPHILID^E 

 Genus . . Glossosoma 

 Species . . vernale 

 Spurs, 2.4.4. 



Glossosoma vernale occurs plentifully on the 

 Dove, and may be recognised by a peculiarity 

 in the wings of the male. At the base are two 

 semicircular raised processes, termed callosities ; 

 these are also present, in the only other British 



