Pupa. Length 17— 18 mm. Antennae reaching end of abdominal segment 

 wing sheaths to segment 5. Plates of holding apparatus with hooks: IV: 3; 

 V: 2-4 +18; VI: 3; VII: 3. Anal rods as in L. politus. 



Case as in larva but slightly shorter. 



Mode of life and habitats. Spring species. Larvae inhabit 

 small, stagnant water bodies, including swampy waters. 



Distribution. Northwestern, central, and part of southern regions 

 of the European USSR. In addition, Central and Southern Europe. 



19. Limnophilus sparsus Curtis 



Struck, 1900:34, Figure 34; 1903:49, Plate I, Figure 12; Plate IV, 

 Figure 11; Plate VI, Figure 14.- Ulmer, 1900:52.- Siltala, 1908b: 15- 

 Figure 2.- Ulmer , 1909 : 263, Figure 396.- Lestage, 1921 : 737, 74 9. - 

 Zerechnaya, 1961 : 24-27, Figures 1-9. 



-16, 



Full-grown larva. Length 15 — 19 mm. Frontoclypeus (Figure 395, A) 

 light brown; dots in anterior part and wedge-shaped pattern not always 

 distinct; area lateral to frontoclypeus also brownish; dorsal or lateral 

 stripes absent, short transverse rows of dots in area of dorsal stripes, 

 longitudinal rows of dots on area of lateral stripes; rows of pale dots 

 lateral to coronal suture; groups of dots laterally on ventral surface near 

 occipital foramen. Gula as in Figure 395, B. 



FIGURES 395 and 396. Limnophilus sp a rsu s Curt, (after Zarechnaya): 



395 — head, dorsal (A) and ventral (B),labrum (C), right mandible, dorsal (D) and 

 ventral (E) ; 396 — tergites of thorax. 



281 



