OF WASHINGTON. 201 



pallens (Anisops) Champion, 1901, Biol. C.-Am., Hem.-Het., n, p. 



374, pi. 22, fig. 16, c?. 

 Habitat : Guatemala. 

 pallipes (Notonecta) Fabricius, 1803, Syst. Rhyng., p. 103. 



Habitat: Mexico; Panama; Martinique; Jamaica; Guadeloupe; 



Venezuela; Ecuador; Bolivia. 

 platycnemis (Anisops) Fieber, 1852, Abh. bohm. Ges. Wiss., (5), vn, 



p. 485- 

 pallipes (Anisops) Kirkaldy, 1899, Entomologist, xxxn, p. 30 



(not Fabricius). 



Habitat: New York; New Jersey; Illinois. 



salutis (Buenoa) Kirkaldy, 1904, Wien. Ent. Zeit, xxin, p. 124. 

 Habitat : British Guiana. 



NOTE. The United States species of Buenoa are much confused. There 

 has been in collections, masquerading as platycnemis Fieber, an uncer- 

 tain number of species, of which three at least are known to us. The 

 true species and elcgans Fieber are very close together. The genus 

 requires a thorough overhauling. 



Genus 6. MARTAREGA F. B. White. 



1879, Trans. Ent. Soc. Lond., p. 271. 

 Signoretiella Berg, 1883, An. Soc. Cient. Arg., xvi, p. 122. 



membranacea (Martarega) F. B. White, 1879, Trans. Ent. Soc. Lond., 



p. 272. 

 uruguayensis (Signoretiella) Berg, 1883, An. Soc. Cient. Arg., 



XVI, p. 122. 



Habitat : Central America ; Brazil ; Ecuador ; Uruguay. 



Subfamily 2. PLEIN.E. 



Genus i. PLEA Leach. 



1817, Trans. Linn. Soc. Lond., xu, p. n. 



Ploa Stephens, 1829, Cat. Brit. Ins., n, p. 354. 



Plcea Douglas and Scott, 1876, Cat. Brit. Hem., p. 61. 



borellii (Plea) Kirkaldy, 1899, Bull. Mus. Zool. Anat. Comp. Torino, 



xiv, No. 352, p. i. 

 Habitat : Argentina. 

 maculosa (Plea) Berg, 1879, Hem. Arg., p. 199. 



Habitat : Argentina. 

 striola (Plea) Fieber, 1845 (?), Abh. bohm. Ges. Wiss., (5), in, p. 



296, pi. 2, figs. 1-3. 



Habitat: New York; New Jersey; Illinois; Iowa; California; 

 Mexico; Guatemala; Cuba; St. Vincent; Grenada. 



