MEASUREMENTS OF CALOPTENUS SPEETUS. 



49 



Measurements of the male (Rileifs Seventh Report). 





g'S 



6% 



--2 



^ 



So 



2 2 



rtjb 



















P4 



>:0 



a^ 



>=«fH 



a, 



i^s> 



•^•^ 



t-- ■— 1 



t>5 



"5 § 



^1. 



'So 







^1. 



11 



5* 



c 

 ® 











5gs 



m 



ga's 



5§i 



>A 



\A 



Hi 



Hi 



\A 



vA 



(-; 



1-1 



Inch. 



Inch. 



Inch. 



Inch,. 



Inch, 



Inch. 



Inch. 



Inch. 



1.24 



0.25 



0.05 



0.20 



1.35 



0.34 



0.03 



0.31 



1.20 



0.28 



0.08 



0.20 



1.30 



0.34 



0.03 



0.31 



1.29 



0.28 



0.08 



0.20 



1.33 



0.33 



0.02 



0.31 



1.18 



0.33 



0.12 



0.21 



1.25 



0.34 



0.03 



0.31 



1.26 



0.25 



0.03 



0.22 



1.32 



0.34 



0.03 



0.31 



1.22 



0.29 



0.06 



0.23 



1.30 



0.34 



0.03 



0.31 



1.10 



0.29 



0.05 



0.24 



1.18 



0.34 



0.02 



0.32 



1.33 



0.29 



0.04 



0.25 



1.38 



0.40 



0.C8 



0.32 



1.33 



0.35 



0.09 



0.2U 



1.38 



0.42 



0.09 



0.33 



1.24 



0.29 



0.03 



0.26 



1.40 



0.38 



0.05 



0.33 



1.29 



0:35 



0.08 



0.27 



1.28 



0.38 



0.05 



0.33 



1.30 



0.32 



0.05 



0.27 



1.30 



0.35 



0.02 



0.33 



1.30 



0.35 



0.08 



0.27 



1.24 



0.38 



0.04 



0.34 



1.28 



0.35 



0.08 



0.27 



1.30 



0.38 



0.03 



0.35 



1.29 



0.32 



0.05 



0.27 



1.40 



0.38 



0.03 



0.35 



1.24 



0.30 



0.03 



0.27 



1.33 



0.35 



0.00 



0.35 



1.19 



0.33 



0.06 



0.27 



1.33 



0.38 



0.03 



0.35 



1.28 



0.36 



0.09 



0.27 



1.35 



0.38 



0.02 



0.36 



1.28 



0.30 



0.02 



0.28 



1.34 



0.38 



0.02 



0.36 



1.24 



0.38 



0.09 



0.29 



1.29 



0.38 



0.02 



0..36 



1.35 



0.39 



0.10 



0.29 



1.33 



0.35 



0.02 



0.37 



1.23 



0.38 



0.09 



0.29 



1.36 



0.43 



0.06 



0.37 



1.35 



0.35 



0.05 



0.30 



1.38 



0.34 



0.05 



0.39 



1.35 



0.40 



0.10 



0.30 



1.33 



0.36 



0.03 



0.39 



Later measurements of the male. 



Length to tip of elytra. 



Iowa specimens . 



1.20 

 1.23 

 1.15 

 1.17 

 1.26 

 1.18 

 1.19 

 1.18 

 1-28 



Average 1.205 



Montana specimens 1.21 



1.21 

 1.30 



Average 1. 24 



Idaho specimens = 1. 28 



1.26 

 1. 21 



A-^erage 1.26 



Length to tip of elytra. 



Colorado specimens 



Average 



Dakota specimens 

 Average . . . 



Beared by Miss Middletou from 

 Average 



1.31 

 1.40 

 1.28 

 1.25 



1.31 



1.19 

 1. 21 



1.20 



1.19 

 1.24 



1. 215 



The species most closely allied to sprettcs is the C. atlanis, Eiley, which 

 the author describes in his seventh report, as follows: 



Lengfh to tip of abdomen 0.70-0.85 inch : to tip of closed wings, 0.92-1.05 inches. 

 At once distinguished from femur-rubrum by the notched character of the anal ab- 

 dominal joint in the male, and by the shorter, less tapering cerci; also by the greater 

 relative length of the wings, which extend, on an average, nearly one-third their 

 length beyond the tip of the abdomen in the dried si)ecimens ; also by the larger and 

 4 G 



