Vol. XXX] ENTOMOLOGICAL NEWS. 163 



Agrioninae. 



Megaloprepus coernlatus (Drury). Cayuga, forest, May 24. i $, 

 May 28, I $ . Both specimens agree with the characters given for M. 

 cocrulatus coerulatus by Dr. Ris (Archiv. f. Naturges., 1916, A, 9, p. 

 68, 1918). 



Pseudostigma aberrans Selys. Cayuga, April 19, 1 $ , April 21, 

 1 $ ; forest, May 27, 1 $. Mazatenango, May, 1 9. 



In all three males the false pterostigma stops short of reaching the 

 end of the "median vein" (R) by a distance less than its own length, 

 but its length is much less than in the material described in the Biologia 

 volume, page 54, being on front and hind wings for the three males 

 respectively, measured in a straight line from end to end on the wing- 

 margin, 6, 7 ; 6, 6.5 ; 7, 7.5 mm. The number of cells in the first "row," 

 i. e. between C and R, is 14-24, and in the second "row," i. e. between 

 R and Mi, is 3-7, front and hind wings aflFording nearly equal varia- 

 tions. 



Pseudostigma accedens Selys. Quirigua, February 24, 1 $ , abd. 

 segs. 8-10 lacking. 



The false pterostigma occupies three rows of cells on both front 

 and hind wings; hind wing 60 mm. 



Mecistogaster ornatus Rambur. Escuintla, February, 1 9. 



Mecistogaster modestus Selys. Cayuga, Rio Negro trail, forest, 

 April 30, 1$ , 1 9 ; forest. May 3, 1 teneral 9 , June 7, 1 9 . Quirigua, 

 March 10, 1 $ ; forest, March, 1 teneral $ . Purulha, forest, July 

 7, 1 ^ , Escuintla, forest, March, 1 teneral $ . 



Some remarks on the taxonomy of this species subsequent to 

 the publication of the Biologia volume will be found in Ent. 

 News, xxii, p. 457, December, 1911, and by Dr. Ris, Archiv. f. 

 Naturges., 1916, A, 9, p. 73, 1918. 



Heteragrion tricellulare Calvert. Pur«lha, July 11, 1 $ . 



Heteragrion alienum Williamson (Occas. Papers, Mus. Zool. 

 Univ. Mich., No. 68, p. 33, 1919). Cayuga, forest river, March 21, 

 1916, 3 $, "all pale markings orange"; forest stream, April 5, 1 ^ ; 

 forest, May 3, 1 ^ ; forest, June 4, 1 $ . 



Argia pulla Hagen. Cayuga, bananas, October 29, 1 $ . 



Argia oculata Hagen. Cayuga, forest, April 25, 1 $, 1 9. The 9 

 has the labrum black with two small pale spots, no pale mid-dorsal 

 or inferior longitudinal lines or stripes on abdominal segment 5 but 

 the mesostigmal lamina agrees with figure 11, pi. IV of the Bio- 

 logia. 



Argia difificilis Selys. Cayuga, April 19, 1 9 ; Quirigua, forest, 

 March, 1 9 . 



Prof. Foerster has remarked (Archiv. f. Naturges., 8oter 

 Jahrg., 1914, Abt. 2, 2 Heft, p. 66) : 



