Calvert : Odonata of the Neotropical Region. 



213 



GOMPHIN/E. 



121. Progomphus complicatus Selys. 



Habitat : — Paraguay, Sapucay, by W. T. Foster, November, 

 1899, 1 (5% December, 1899, 4 $ no. 41. U. S. National Museum. 

 Length of abdomen 33-35.5, hind wing 24-26.5 mm. 



122. Progomphus intricatus Selys. 

 (Plate VII, fig. 129.) 



Habitat: — Brazil, Chapada, by H. H. Smith, 9 tf and parts of 

 4 others, 4 rf and part of one other, nos. 137 and 44, i c? is dated 

 May. Carnegie Museum, Pittsburgh. 



See also under the following species : 



123. Progomphus recticarinatus sp. nov. 



(Plate VII, fig. 128.) 



Closely related to P. intricatus ; the differences may be seen from 

 the following comparison. 



P. intricatus. 

 wider ; 



pale brown ; 



blackish, rarely 

 yellowish in the 

 middle ( $ ) ; yellow 

 margined with 

 black ( $ and I 9 ) ; 



pale brown ; 



confluent below 

 with the yellow 

 mesothoracic "collar," 

 almost touching the ante- 

 alar sinus above ; 



Occiput : 



Superior frontal band : 



Hind lobe of prothorax 



P. recticarinatus. 

 narrower. 



blackish. 



yellow. 



Darker color of thorax 



Pale (yellow) ante- 

 humeral stripe : 



blackish-brown. 



not confluent with the yel- 

 low "collar," not reaching 

 the antealar sinus above. 



interrupted near its upper end, 

 which is represented by a spot. 



Yellow "humeral" line complete; 

 (really ante-humeral) : 



Lateral abdominal mark- brown, not well developed blackish-brown, well devel- 

 ings on 3-7 : anterior to the median oped anterior to the median 



transverse suture of each suture. 



segment, much paler and 



and less extended in the 9 \ 



