WATER-MITES 



Limnochares aquaticus.— Body red, rectangular, about one- 

 eighth of an inch long (Fig. 135) ; eyes near together on a 

 long narrow plate. Common on the bottom of ponds where 

 they walk over the mud and submerged plants; immature 

 young known as larvee attached to water skaters. 



2. Eye plate short, broad and paired, eyes 4, near to- 

 gether. EylaincR (p. 177) 



,„-^^^- 136. — I, Eylais extendens; 2, eye plate. 

 (From Ward and Whipple.) 



Eylais extendens.— Body red, oval, about one-eighth of an 

 inch long; eyes near together on a paired plate (Fig. 136). In 

 ponds, where they glide rapidly through the water. Common. 



3. Eyes not close together on a plate, but far apart, 

 pedipalps pincer-like. Hydrachnince (p. 177) 



- Hydrachna geographica.— Body dark red with dark red spots 

 on the back, oval, nearly one-third of an inch long; 4 eyes, 2 on 



177 



/J 



