960 Charles Paul Alexander 



Larvae 



1. Body appendages very long and filiform; aquatic Phalacrocera Schin. (p. 961) 



Bod}' appendages short, leaflike or tuberculate 2 



2. Dorsal appendages all simple, on the terminal abdominal segments in a single row; ter- 



restrial on spermatophytic plants Cylindroloma Macq. (p. 966) 



Dorsal appendages with teeth on anterior convex side 3 



3. Some of the dorsal appendages with three or four teeth on anterior face; aquatic on 



mosses Triogma Schin. (p. 973) 



Dorsal appendages with one (L. nodicornis) or two (L. glabrata) teeth. 



lAogma O. S. (p. 969) 



Pupae 



1. Basal abdominal tergites without spines 2 



Basal abdominal tergites with acute spines 3 



2. Mesonotum unarmed; segments 6 and 8 each with two powerful dorsal hooks; segment 



7 with a pair of strong ventral spines; pronotal breathing horns elongate, directed 



backward Phalacrocera Schin. (p. 961) 



Mesonotum with two flattened erect lobei; sagmsnts G, 7, and 8 naked; pronotal breathing 

 horns small, directed slightly forward Cylindrotoma Macq. (p. 966) 



3. Abdominal spines branched Liogma (glabrata) (p. r-69) 



Triogma (irisidcata) (p. 974) 

 Abdominal spines not branched Liogma (nodicornis) (p. 971) 



The most important literature on the Cylindrotominae is as follows: 



General account of subfamily. Osten Sacken, 1897; Alexander, 1914:105-106; Malloch, 

 1915-17 b: 210-211; Lenz, 1920 b: 113-115. 



Phalacrocera replicaia Larva, pupa, general. . . De Geer, 1773; 1776: 135-141,r351. 



Phalacrocera replicaia . .' Larva Grube, 1868. 



Phalacrocera replicaia Larva Engel, 1884. 



Phalacrocera replicaia General Giard, 1895 b. 



Phalacrocera replicaia Larva, general Bengtdson, 1897. (Morphology of 



larva.) 



Phalacrocera replicaia Larva, pupa, general . . Miall and Shelford, 1897. (Mor- 

 phology of larva and pupa.) 



Phalacrocera replicaia > Larva Bengtsson, 1899. (Morphology of 



heart.) 



Phalacrocera replicaia Larva Holmgren, 1908. (Morphology of 



head.) 



Phalacrocera replicaia Larva, pupa Griinberg, 1910:32-35. 



Phalacrocera replicaia Larva, pupa, general. . . Wesenberg-Lund, 1915:343-347. 



Phalacrocera replicaia Larva, pupa, general. . . Lenz, 1920b: 127-129. 



Cij'indro'oma distinclissima . . . . Larva, general Schellenberg, 1803:22-23. 



Cylindrotoma distinclissima.. . . Larva, pupa, general... Boie, 1838:234. 



Cylindrotoma disiinctissima .... Larva, pupa, general . . . Zeller, 1842. 



Cylindrotoma disiinctissima. . . . General Schiner, 1864:563. 



Cylindrotoma distinclissima . . . . Larva, pupa, general. . . Kaltenbach, 1874:7. 



Cylindrotoma distinclissima. . . . Larva Wesenberg-Lund, 1915:335 (as Tri- 

 ogma). 



Cylindrotoma disiinctissima ... . Larva, pupa, general .. . Lenz, 1920 b: 115-117. 



Cylindrotoma splendens Larva, pupa, general. . . Cameron, 1918. 



Liogma glabrata Larva, general De Rossi, 1876. 



Liogma glabrata General Osten Sacken, 1878 a. 



