328 



Psocus lucidus Harr. MSS. 



S ? . Pallide luteus ; capite ct thorace nigro maculads ; dbdominis dorso 

 transverse lineato, serie quintupled ; alls hyalinis, venis et punctis duobus 

 marginalibus nigris ; pedes lutei, geniculis nigris, tarsisque fuscis. 



Length from head to tip of wings .25 in. ; of body to tip of abdomen 

 .15 in. $ rather smaller. On walls of outhouse. Sept. 20, 1836, Cam- 

 bridge. 



Antennas pilose, longer than body, fuscous, first, second and third joints 

 luteous. Head whitish or pale luteous, with a large, round, polished, black 

 spot between the antenna? ; a smaller one containing the stemniata on the 

 vertex between the eyes; and behind this on each side two elongated, quad- 

 rate, fuscous spots. Body above luteous, beneath paler; mesothorax with 

 three large, polished, black spots, of which one is in front, and the others on 

 each side before the articulation of the wings, which are also marked with 

 a small black spot ; metathorax with four small black spots in a transverse 

 series, and a smaller one at the root of eaeh inferior wing; behind the 

 transverse series an elongated, quadrate spot on the middle of the tip of the 

 metathorax. Pleura? of the rneso- and metathorax each with a black spot 

 above the coxa. Abdomen; edges of the segment blackish ; a dorsal and 

 two lateral series of somewhat triangular, blackish spots; between these 

 series on each side a series of transverse black lines ; last segment with 

 three large black spots, tip or genitalia with two or three small ones ; wings 

 hyaline, nervures fuscous (nervure of the first marginal cell yellowish at 

 base, from which it is continued in a black curve; but with a conspic- 

 uous, large, black point on"-the costal edge of the wing: nervure of the 

 submarginal cell pale or yellowish to just beyond its bifurcation; trans- 

 verse nervure connecting the discoidal cell with the inner margin also pale 

 yellowish; a larger black point on the inner margin at the junction of the 

 two short nervures of this margin) variegated with luteous, with a round 

 black spot on the middle of the costal edge, and another rather larger be- 

 fore the middle of the inner margin. Legs luteous, articulation of the thigh 

 and tibia with a small black spot; tibia? pilose, tarsi fuscous. 



This insect is larger than P. bipunctata Fabr., which it seems to resemble 

 in the disposition of its colors. 



Another description of the same. Yellowish or greenish white, spotted 

 with black; wings hyaline, upper ones with a black spot on the middle 

 of the external, and another on the internal edge. Antenna? pilose, fus- 

 cous. Length to the tip of the closed wings .27 in. S rather smaller. 

 On fences, nidificating in the cracks; eggs, young, and active pupa? all at 

 the same time, feeding on the wood together, Sept. G, 1837. 



Body short, plump. Head with two quadrate spots on the vertex, an or- 



