1865.] 413 



c. Antennae thick; ligula elongate, narrow, entire at tip; labial palpi 

 with the first joint shorter and wider than the second. 



Genus 9.— PHILOTERMES, Kraatz. 



1. Philotermes pilosus, Kraatz. 



Philotermes pilosus, Kraatz, Linn. Ent. Zeits. xi, p. 14, pi. 2, fig. 13. 



Testaceous, shining, almost polished, clothed with a very thin fulvous 

 pubescence and a sparse erect hair ; antennae very broad before the 

 middle; thorax broader and a little shorter than the elytra; abdomen 

 glabrous. Length 1] line. 



Hab. — Tennessee. 



Body shining, almost polished, clothed with a very thin, depressed, 

 yellowish pubescence and a long, sparse, erect hair. Antennae a little 

 longer than the head and thorax, yellow; first joint rather thick, 

 second a little shorter and thinner, third broader than the second, 

 joints 4 — 10 strongly transverse, joints 7 — 10 gradually decreasing in 

 breadth, the last joint ovate and acuminate. Head rather broad, gla- 

 brous. Thorax broader than the elytra, more than twice shorter than 

 broad, not narrowed anteriorly nor emarginatc at base; the sides, espe- 

 cially in front, the anterior angles slightly, and the posterior angles 

 strongly, rounded ; upper surface rather convex, the disk glabrous, the 

 sides very finely punctured and pubescent, with sparse erect hair, the 

 sides margined with long dense hair. Elytra a little longer than the 

 thorax, somewhat glabrous, with a very thin pubescence, and sparse 

 hairs. Abdomen glabrous above, the sides pilose, slightly attenuated 

 towards the apex; sixth segment with a slight superior emargi nation. 

 Legs testaceous. 



Male. — Seventh segment of abdomen with an inferior prolonga- 

 tion. — Kraatz. 



2. Philotermes pensylvanicus, Kraatz. 



Philotermes pensyhanicus, Kraatz, Linn Ent. Zeits. xi, p. 15. 



Brown, shining, densely and very finely punctured; antennae and 

 legs testaceous ; middle of the thorax as broad as the length of the 

 elytra ; abdomen smooth. Length 1 1 line. 



Hab. — Pennsylvania. 



Brown, antennas and legs testaceous. Antennae constructed as in 

 P. FuchsiL Head densely and very finely punctured. Thorax formed 

 as in P. Fuchsii, but the hairs are erect, the pubescence very thin, and 

 the anterior angles longer. Elytra with the punctures very fine, and 

 less dense than those of the thorax, more shining. Abdomen brown, 

 piceous before the apex, which is testaceous, entire upper surface smooth. 



Male differs as in the preceding species. — Kraatz. 



