Oct., 1920 Bulletin of the Brooklyn Entomological Society 111 



iPolyporus versicolor occurs on all kinds of dead wood and 

 Polyporus hirsutus on the dead wood of deciduous trees. Both 

 are common polypores. In confinement, many species of Cisidse 

 will continue feeding and breeding in dry Polyporus versicolor 

 until the fungus has been practically all consumed. In the field, 

 however, perfectly dry specimens of this polypore are not in- 

 fested to the same extent as those which are more or less moist. 



Egg. — Length, 0.43 mm.; width, 0.23 mm. Whitish, trans- 

 lucent, oval. 



Full-grown Larva. — Length, 2.4 mm. ; width, 0.5 mm. Elon- 

 gate, subcylindrical, tapering slightly anteriorly and posteriorly, 

 segmentation distinct. Whitish except for mouth parts, tarsal 

 claws and dorsal hooks of ninth abdominal segment which are 

 brownish. Head slightly creamy, narrower than prothorax. 

 Prothorax twice as long as mesothorax. Remaining thoracic 

 and abdominal segments subequal in length. Body segments 

 bear a few fine hairs, more numerous on anal segment. Last 

 abdominal segment bears a pair of minute, slightly recurved, 

 chitinous hooks. 



Pupa. — Length, 1.8 mm.; width, 0.7 mm. Whitish, somewhat 

 elongate. Anterior edge of prothorax bears a row of minute 

 tubercles each bearing a fine hair. Several similar tubercles on 

 either side of middle close to posterior edge of prothorax. A 

 comparatively large, blunt median, dorsal tubercle on meso- 

 thorax. A few posteriorly directed hairs on dorsal surface of 

 abdomen. Sides of abdominal segments 2, 3, 4, 5 and 6 slightly 

 produced laterally, somewhat tuberculate, each swelling bearing 

 a fine hair. Abdomen terminated by two acutely pointed, slightly 

 diverging, fine spines. 



Adult. — Cis cyiindricus. This was described by Drury in the 

 Jour. Cine. Soc. Nat. His., Vol. XXII, No. 2, p. 7, Nov. i, 1917, 

 from specimens collected in Umatilla Co., Oregon, by G. F. 

 Moznette. Mr. Dury states that it is, "Elongate, cylindrical. 

 Black, very like Cis hystricula Csy., but differs as follows : Head 

 larger, elytral punctures very coarse and deep, setae coarse and 

 sparse. Clypeal tubercles porrect. Male with fovea at middle of 

 first ventral segment." 



