195 



Anal rods (Figure 329) straight, slightly narrower distally, slightly curved 

 laterally and dorsally; small spinules laterally on rods, which are denser 

 at apex; setae black, a small seta in basal third, a slightly larger seta in 

 middle third, and 2 larger setae subapically; basal part with 1—2 additional, 

 small setae. 



Anterior end of pupal case covered with a thin membrane with numerous 

 holes; posterior membrane with fewer holes. 



Mode of life and habitats. Phytophagous and detritophagous, 

 living in small, stagnant water bodies, including swampy water; a spring 

 species; large numbers of larvae are often found in large, spring puddles 

 with rich vegetation. 



Distribution. The European USSR, including Caucasus; Western and 

 Eastern Siberia, Altai, the Maritime Territory. In addition. Central and 

 Northern Europe. 



FIGURES 327-329. Limnophilus stigma Curt.: 



327 - right trochanter and femur of foreleg (A),midleg (B) and hind 

 leg (C), posterior; 328 — larval case; 329 - anal rod of pupa (329 - 

 after Siltala). 



7. Limnophilus nigriceps Zetterstedt 



Hagen, 1864:247.- Meyer, 1867:161-162.- Struck, 1899:323-325, 

 Figure 21; 1900:21-22; Figure 12. - Ostwald. 1901 : 1 13. - Struck, 

 1903:68-74. Figure 10.- Ulmer, 190 3:58-59.- Siltala, 1904c: 49, - Ulmer, 

 1909:258.- Lestage. 1921 : 731-732, 743. 744, 748. - Lepneva, 1940 : 215, 

 Figure 159 (2). 



244 



