MORGAN HEBARD 125 



mon buff, the few punctae bay. Head blackish chestnut brown, antennae 

 prout's brown except in proximal portion which is buffy, ocelli, genae, palpi 

 and mouthparts light ochraceous-buff. Coxae and limbs light ochraceous- 

 buff, the spines tawny. Dorsal surface of abdomen shining blackish chest- 

 nut brown, the first to sixth segments ochraceous-buff heavily speckled 

 with blackish chestnut brown on each side, these pale portions extending over 

 each segment slightly over one-fourth its width and each showing an oblique 

 bar of blackish chestnut brown running from the outer margin proximad to 

 its median portion, and continued on the succeeding segment mesad as a 

 meso-proximal oblicjue dash. First and second ventral abdominal segments 

 ochraceous-buff tinged with ochraceous-tawny, and with meso-lateral dots of 

 chestnut on each segment; third segment similar but washed with chestnut 

 proximo-mesad ; fourth ochraceous-buff laterad, entirely chestnut mesad 

 becoming blackish proximo-la terad ; subgenital plate shining blackish tinged 

 with chestnut, with a large, roughly triangular area of ochraceous-buff 

 proximo-laterad on each side. 



The type is unique. 



Poroblatta cylindrica new species (Plate XIX, fig. 4.) 



This species in general form agrees closely with P. apatela here 

 described, under which species a comparison is made. 



Type. — 9 ; Cincinnati, Sierra Nevada de Santa Marta, ]Mag- 

 dalena, Colombia. Elevation, 4000 to 5000 feet. July 10, 1913. 

 (M. A. Carriker Jr.) [Hebard Collection, Type No. 448.] 



Size medium large for group; form elongate, rounded cephalad and caudad. 

 Head with front portion deplanate, thickly and irregularly punctulate; eyes 

 reduced, not projecting; interocular space broad, as ^\ide as space between 

 antennal sockets; ocelli small, smoothly concave, irregular in outline. Maxil- 

 lary palpi small and rather slender, with third and fifth joints subequal in length, 

 the latter weakly enlarged, fourth slightly shorter. Pronotum as given in 

 generic description; latero-caudal angles weakly produced, appreciably less 

 than ninety degrees, sharply rounded; caudal margin almost transverse, 

 lateral halves very feebly concave, showing a minute angulate protluction at 

 their juncture mesad. Tegmina subtriangular lateral pads; heavih' chitinous; 

 surface shining and rather thickly pmictulate as is the entire dorsal surface, 

 humeral trunk alone indicated; costal margins almost straight to the bluntly 

 rounded apex, sutural margins very briefly straight oblique-convergent proxi- 

 mad, thence straight oblique divergent to the tegminal apices. Wings minute, 

 vestigial. Abdomen strikingly narrower and more strongly convex than in 

 Colapterohlatla compsa, much as in Acroporoblatla adenophora. Distal portion 

 of abdomen, cerci, limbs and their armament, pulvilli and arolia as given in 

 the generic description of Colaplcrohlatta. 



Length of body, 25.3; pronotum, G.7; exposed portion of tegmon, 4.8; caudal 

 tibia, 5.6. Width of head, 4.4; pronotum, 7.9; tegmen, 3.0; abdomen at widest 

 point, 9.2 mm. 



TRANS. AM. ENT. SOC, XLV. 



