NO. 3569 SOLDIER FLY LARVAE — McFADDEN 37 



Key to Species of Caloparyphus James 



1. Venter of seventh abdominal segment without strong sclerotized hooks. 



species 

 Venter of seventh abdominal segment with strong sclerotized hooks ... 2 



2. Sclerotized hooks half the length of seventh abdominal segment. 



amplus (Coquillett) 



Sclerotized hooks less than half the length of the seventh abdominal 



segment 3 



3. Prothoracic spiracle oval shaped, diameter at widest point twice that of the 



elevation; 4 setae in mesothoracic leg group major (Hine) 



Prothoracic spiracle varying in shape but elevation approximately equal to 

 basal diameter; number of setae in mesothoracic leg group other than 4 . 4 



4. Three setae in mesothoracic leg group tetraspilus (Loew) 



Five setae in mesothoracic leg group crotch! (Osten Sacken) 



Caloparyphus species 



Figures 112, 115, 118 



Description. — Puparium: length 12.4-13.4 mm, mean 12.88 mm; 

 width 2.5-3.2 mm, mean 2.90 mm; other characters as given in keys 

 to genera and species. 



Biology. — Larvae of this species were collected from a sphagnum 

 bog located part way up a mountain (elevation approximately 

 6000 ft.). 



Material examined. — Alberta: Banff National Park, Mt. Ishbel, 

 Apr. 14, 1960, Ball, Madge and McFadden, 5 puparia, MWM. 



Caloparyphus amplus (Coquillett), 1902 



FiGUEEs 122, 127, 128, 131 



Description. — Mature larva: length 7 mm or under; width 1.0- 

 1.4 mm, mean 1.2 mm; dorsum of body segments with short blunt 

 setae; other characters as given in key to species. 



Biology. — No data are available for this species. 



Material examined. — California: Sespe Creek, Ventura County, 

 Jime 15, 1948, W. W. Wirth, 20 larvae, USNM. 



Discussion. — Accurate measurements of length were unobtainable 

 due to improper preservation of the specimens. 



Caloparyphus major (Hine), 1901 



Figures 111, 114, 117 



Description. — Mature larva: length 9.6-12.1 mm, mean 10.94 mm; 

 width 2.7-2.9 mm, mean 2.8 mm; other characters as given in key to 

 species. 



Biology. — Larvae of this species were collected from moss on a 

 large floating board in a cold, spring-fed roadside pool. 



Material EXAMINED. — British Columbia : Pole no. 187/18, Route 3, 

 June 9, 1960, Ball, Madge, and McFadden, 5 larvae, 3 puparia, MWM. 



