15 



4 (l). Antennae as long as body or slightly longer, curved at the end but 



not coiled around body. 



5 (6). Abdominal segment 1 with characteristic, large, conically -truncate 



dorsal process. Number of spurs 2,4,4 (rarely different). Anal 

 appendages short, lobe -shaped with wide base and 4 terminal 

 setae. Large (30—32 mm); case with plant particles arranged 

 spirally or in rings; case rarely covered with mineral particles . . . 

 1. Phryganeidae Burm. (p. 13) 



6 (5). Conical process on dorsal side of abdominal segment 1 absent. 



Case different. 



7 (8). Dorsal side of abdominal segment 1 with a saddle-shaped process 



covered with spinules in each half. Anal appendages rodlike, rarely 

 lobe-shaped 2. Limnophilidae Kol. (p. 72) 



8 (7). Saddle-shaped process on abdominal segment 1 absent. Anal 



appendages of different form. 



9 (10). Hind tibiae with 2—3 spurs. Anal appendages rodlike 



5. Brachycentridae Ulm. (p. 46l) 



10 (9). Hind tibiae with 4 spurs. 



11 (16). Number of spurs 2, 4, 4. 



12 (13). Dorsal side of abdominal segment 1 with denticulate median 



appendage. Anal appendages short, lobe -shaped. Pupa small 



(7—8 mm). Case tetrahedral, covered with sand or detritus 



4. Lepidostomatidae Ulm. (p. 437) 



13 (12). Dorsal side of abdominal segment 1 with processes of different 



form. Anal appendages thin, rodlike. 



14 (15). Dorsal side of abdominal segnaent 1 with blunt, short processes 



with apical denticles laterally. Case covered with sand grains 



and small stones on the sides 3. Goeridae Ulm. (p. 405) 



15 (14). Dorsal side of abdominal segment 1 with small median protuberance. 



Case shield -shaped, covered with sand grains or detritus 



8. Molannidae Wall. (p. 522) 



16 (11). Number of spurs 2, 2, 4. 



17 (I8). Lateral line absent. Maxillary palps of male distinctly 5 -segmented 



10. Beraeidae Wall. (p. 648) 



18 (17). Lateral line present. Maxillary palps of male indistinctly 



segmented 11. Sericostomatidae Steph. (p. 662) 



I. Family PHRYGANEIDAE Burmeister 



Full-grown larva. Length 15— 4 5 mm. Body flexible, with deep 

 constrictions between segments. Head bent slightly downward (larva 

 suberuciform) (see Vol. II, Part 1 : 9, Figure 2, C). Sclerites yellow or 

 brownish. Pattern dark, usually distinct; abdomen and other nonsclerotized 

 parts of live specimens green, sometimes bright green, or pinkish yellow. 

 Large setae dark, some setae very long. 



Head slightly oblong, slightly flattened dorsoventrally. Eyes situated 

 some distance from anterior margin. Antennae situated at the margin near 



13 



