182 GENUS PHATNOMA (hETEROPTERA) 



Key to the Species 



1. Outer margin of costal area of elytra with a row of areoles much larger 



than other areoles of elytra ovata Champion 



Outer margin of costal area of elytra with areoles the same size as others of 

 elytra 2 



2. Basal pair of head spines distinctly shorter than second pair. Outer 



border of pronotal lateral margins deeply sinuate and with two long acute 



points directed forwards lacinata Fieber 



Basal pair of head spines at least as long as second pair. Sinuation of pro- 

 notal lateral margins not so deep 3 



3. Pronotal margins with not more than four rows of areoles. 



marmorata Champion 

 Pronotal margins with five or more rows of areoles 4 



4. Pronotal margins with more than seven rows of areoles. 



annulipes Champion 



Pronotal margins with less than seven rows of areoles 5 



6. Costal area with a longitudinal, undulating black line near inner margin. 



costalis Distant 



Costal area without such a line 6 



6. Light brown in general color, comparatively large. Hubcostal area not 



widened at any one point filetia new species 



Dark brown in general color, comjoaratively small. Sul)costal area widest 

 just before the middle spinosa new species 



Phatnoma ovata Champion , 



1901. Champion, Biol. Centr.-Am., Heteropt., ii, p. 4. 



"Lighter or darker brownish-ochreous, the outer carinae of the pronotimi 

 and the costal margin and carinae of the elytra spotted with black or fuscous, 

 the inner basal margin of the clavus also blackish; the small areolae of the 

 pronotal and elytral margins hyaline; the legs and antennae testaceous, the 

 apical joint of the latter black at the tip. Pronotum with the margins a little 

 raised, angularly dilated before the middle as well as in front, becoming narrow 

 behind, the anterior terminating in a short spine; the disc closely punctured, 

 tricarinate, the outer carinae curved inwards in front. Elytra rather short, 

 regularly oval, somewhat narrowly rounded at the apex; discoidal and sub- 

 costal areas equal in width, separated by a sharp-raised carina which extends 

 forwards to the base, the discoidal area limited inwards by a moderately raised 

 carina which extends to the apex of the subcostal area, both areas with .several 

 transverse or oblique raised lines, and, like the clavus and sutural area, with 

 very small rounded areolae; costal area moderately broad, becoming narrow 

 at the tip, with a row of oblong areolae along the margin and three rows of 

 much smaller areolae within. Length 31-31, breadth l|-2 milliin. 



Hab. Guatemala, San Isidro, Panajachel, Zapote, Capcfillo, Huenas 

 (Charn]>ion)." 



