352 PROCEEDINGS OF THE NATIONAL MUSEUM vol. iis 



Body beneath and legs entirely pale; anterior coxal cavities closed, 

 claws appendiculate. Length 7.3-7.8 mm.; width 3.6-3.8 mm. 



Type, female, USNM 66840; one paratype, female, John 

 A. Wilcox collection, from Caura River, Suapure, Venezuela, collected 

 by E. A. Klages, March 12, 1899; two other specimens in USNM, 

 from Manaos, Brazil, collected by F. Knab. 



Remarks: This is closely related to Potamobrotica brasiliensis 

 (Bow ditch) , 



Potamobrotica brasiliensis (Bowditch) 



Figure 100 



Neobrotica brasiliensis Bowditch, Psyche, vol. 20, p. 128, 1915. 

 Andrector brasiliensis (Bowditch).— Bechyne, Ent. Arb. Mus. G. Frey, vol. 7, 

 no. 8, p. 606, 1958. [Not correctly identified.] 



About 5K mm. in length, elongate oblong oval, moderately shining, 

 elytra alutaceous, distinctly punctate, the punctures tending to be 

 striate, head reddish yellow, the thorax with a touch of green (? not 

 all green in living specimens), elytra with the yellowish areas having 

 a greenish tint, two deep brown basal spots, a broad dark median fascia 

 extending along the suture and sides, and a large dark apical spot on 

 each elytron. Anterior coxal cavities closed. 



Head with the interocular space half width of head, occiput roimded, 

 finely punctate, orange yellow becoming paler in lower front, a median 

 depression over frontal tubercles and below them a narrow and not 

 much elevated short carina. Antennae with the three basal and 

 three apical joints yellow, the terminal one with a dark tip, and 

 the intermediate joints dark brown. Pro thorax considerably 

 wider than long with rounded sides, finely and moderately densely 

 punctate, and with a well defined transverse sulcus, pale greenish on 

 sides and in sulcus (? green faded to yellow elsewhere). Scutellum 

 bro^vnish. Elytra with the pale areas yellow having a slightly greenish 

 tint, most marked on the sides and explanate margin, with deep brown 

 fasciae, the basal one broken into two spots on each elytron, not 

 joined at the suture, the middle fascia entirely across the elytra and 

 tending to join at the suture and sides with the other fasciae, the 

 apical fascia interrupted at the suture. Surface alutaceous, punc- 

 tation rather coarse, shallow and tending to be striate. Bod}^ beneath 

 pale with the breast reddish brown, femora pale, tibiae with dark 

 outer streak, tarsi more or less bicolored. Length 5% mm. 



Type, female, MCZ, from Porto Velho, Rio Madeira, Brazil, col- 

 lected by Mann and Baker. 



Remarks: Bechyne has placed this as a species of Andrector. I 

 have examined the specimen he identified as this in the Frey Museum 

 and it is not brasiliensis, but it is the succeeding species that I am 

 describing as Potamobrotica viridis, new species. No males of any of 



