960 CHARLES PAUL ALEXANDER 



Larvae 



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



Body appendages short, leaflike or tuberculate 2 



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



restrial on spermatophy tic plants Cylindrotoma 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 cne (L. nodicornis) or two (L. glabrata} teeth. 



Liogma 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 lobe 3; segments 6, 7, and 8 naked; pronotal breathing 

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



3. Abdominal spines branched .Liogma (glabrata) (p. 669) 



Triogma (trisulcata) (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 replicala Larva, pupa, general. . . De Geer, 1773; 1776: 135-141,[351. 



Phalacrocera replicata Larva Grube, 1868. 



Phalacrocera replicata Larva Engel, 1884. 



Phalacrocera replicata General Giard, 1895 b. 



Phalacrocera replicata Larva, general Bengcsson, 1897. (Morphology of 



larva.) 



Phalacrocera replicata Larva, pupa, general . . Miall and Shelf ord, 1897. (Mor- 

 phology of larva and pupa.) 



Phalacrocera replicata Larva Bengtsson, 1899. (Morphology of 



heart.) 



Phalacrocera replicata Larva Holmgren, 1908. (Morphology of 



head.) 



Phalacrocera replicata Larva, pupa Grunberg, 1910:32-35. 



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



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



Cy'.indro'.oma distinctissima. . . . Larva, general Schellenberg, 1803:22-23. 



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



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



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



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



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

 ogma). 



Cylindrotoma distinctissima.. . . 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. 



