Moss Inhabitants 



359 



1. The slender larvae of soldier-flies (Euparhyphus 

 brevicornis) . Each bears a pair of ventral hooks that 

 may serve for attachment. 



2. The greenish larvae of the cranefly (Dicrano- 

 myia simidans). 



3. The warty-backed larvae of the Parnid beetle 

 {Elmis quadrinotatus) . 



4. Larvae and pupae of a little black Anthomyid fly 

 (Limnophora sp.?). 



Fig. 214. Insect larvae from a moss patch such as is shown in the 

 preceding figure, a, Psychoda; b, Elmis; c, d, e, Euparhyphus, c, 

 being lateral, d, dorsal and e, ventral views, c and e show the huge 

 ventral hooks on the penultimate segment ; / and g, cases of an un- 

 known caddis-worm, /, composed mainly of sand; g, mainly of moss. 



