GOERA PILOSA 53 



Family . . SERICOSTOMATIDJS 

 Genus . . Goera 

 Species . . pilosa 



Spurs, 2.4.4. 



PLATE X 



Goera pilosa is a yellowish -brown caddis-fly Goera piioss 

 which occurs plentifully on most chalk-streams 

 throughout the summer. The maxillary palpus 



FIG. 24. Goera pilosa, <J . Maxillary palpus. 



of the male is so peculiarly formed that I give 

 a drawing of it in Fig. 24. 



The male insect is further characterised by a 

 coronet of strong spines on the sixth ventral 

 segment. The genitalia are shown in Fig. 25. 



Family . . SERICOSTOMATID.E 

 Genus . . Silo 

 Species . . nigricornis 

 Spurs, 2.4.4. 



Silo nigricornis is a very dark brown, rather siio 

 small insect, fairly plentiful on most trout corn 

 streams. Like the previous species, it carries 



