ERYTHRODIPLAX, 263 
Westcott), having the frons and vertex metallic-violet in which red is still perceptible, 
abdomen pruinose, reddish-brown (ochraceous) on hind wing reaching out to the 
triangle but not quite to hind margin, abd. 18, hind wing 21 mm.; this male is 
therefore intermediate between e and e’. See also the remarks on the Nova Friburgo 
and Rio males under e’, posted. 
[f. Abdomen, ¢ 23-24, 9 21-22°5; hind wing, ¢ 28-32, 2 28-31; costal edge of stigma, front wing, 
35-4 mm. None of these specimens has any pruinosity. Of the two females the larger has the 
ochraceous colour on the hind wing reaching distad to between the second and third antecubitals and into 
the triangle, caudad to two cells beyond the apex of the membranule, and with the basal colouring on 
the front wing reaching only halfway to first antecubital or submedian cross-vein ; the smaller has the 
wing-colouring almost as stated for the males of f on page 259. 
Hab. Bottvia, near Coroico, Yungaz (Gerhart, A. N. 8.: 23,2 2 ). 
Taken May 8 to June 4, 1899.] 
' 
a. 
Diplaz fruterna, Hagen, Proc. Bost. Soc. Nat. Hist. xv. p. 875 (1873)*; xviii. p. 81 (1875) *. 
Trithemis fraterna, Kirby, Cat. Odon. p. 20 (1890) *; Cockerell, Journ. Inst. Jam. i. p. 257 
(1894) *. 
S Diplax abjecta, 2 Diplax ochracea, Scudder, Proc. Bost. Soc. Nat. Hist. x. pp. 197, 196 
(1866) °. 
Diplax abjecta (pars), Hagen, Syn. Neur. N. Amer. p- 184 (1861) °. 
The Cuban males are of different ages and show that in teneral examples the face, including the lips, is 
luteous or olivaceous, the frons and vertex violaceous or reddish-luteous according to the way in which 
light is reflected from them, thorax and abdomen mostly luteous or pale ochre-brown. In older 
individuals red and blue are both visible in the frons and vertex, nasus and labium olivaceous-brown, 
labrum blackish-brown, thorax and abdomen darker, reddish-brown. The oldest males have the colours 
as described by Scudder’. 
Of the Mexican material, the male from Uruachic is of the middle age mentioned above, the others are 
older. 
Q@. The Uruapan females, none of which are old, have no more colouring on the wings than the males, as in 
one of Scudder’s females °. 
3 9. The Mexican material is smaller than the Cuban :— 
Uruapan. Uruachic. Amula. Cuba. 
Abdomen, ob ..... cece ccc eee eee 19°5 20 21°5 22-24 mm. 
» Dic ce cece cece eee e ee ee ees 17-19 eee eee 21-22 ,, 
Hind wing, 5 .... se cee eee eee eee 23°5 24°5 25°5 25-28 ,, 
ee bce eee eee 21°5-24 eae eee 24-26 ,, 
Costal edge of stigma, front wing ...... 3°5 3°5 35 3- 35,, 
| Antecubitals, hind wing, usually 8. Post-triangular rows, front wing, either 3, 2, 3, or 3, symmetrically or 
asymmetrically. 
Hab. Msxico, Uruachic in Chihuahua (Hepburn, coll. McLachlan: 1 3), Uruapan 
(Rhoads: 13, 42), Amula in Guerrero (H. H. Smith: 1 3 ).—Brazi, [Rio] 
2m2 
