210 ENTOMOLOGICAL SOCIETY 



Genus 4. LIMNOGONUS Stal. 



1868, Hem. Fabr., i, p. 132. 

 Lamprotrechus Reuter, 1882, 6fv. Finska Vet. Soc. Forh., xxv, p. 40. 



franciscanus (Gerris) Stal, 1859, Eugenie's Resa, Ins., p. 265. 



Habitat : California. 



guerini (Gerris) Lethierry et Severin, 1894, Cat. Gen. Hem., in, p. 61. 

 marginatus (Gerris) Guerin, 1844, Icon. Regne An., Ins., p. 351, 



pi. 57, fig- 2. 

 Habitat: Mexico; British Honduras; Cuba; Jamaica; St. Vincent; 



Grenada, 

 hesione (Gerris) Kirkaldy, 1902, Entomologist, xxxv, p. 137. 



Habitat : Florida, 

 hyalinus (Hydrometra) Fabricius, 1803, Syst. Rhyng., p. 258. 



Habitat: Panama; Trinidad; French Guiana; Brazil; Ecuador. 

 lotus (Limnogonus) F. B. White, 1879, Journ. Linn. Soc. Lond., Zool., 



xiv, p. 488. 

 Habitat: Brazil. 

 lubricus (Limnogonus) F. B. White, 1879, Journ. Linn. Soc. Lond., 



Zool., xiv, p. 489. 

 Habitat: Brazil. 



Genus 7. CYLINDROSTETHUS Fieber. 



1860, Eur. Hem., p. 33. 



Hydrobates Erichson, 1848, in Schomburgk's Faun. Brit. Guiana, 



in, p. 614 (preoc.). 



erythropus (Hydrometra) Herrich-Schaffer, 1850, Wanz. Ins., ix, p. 



68, fig. 923. 

 Habitat : Brazil, 

 linearis (Hydrobates) Erichson, 1848, in Schomburgk's Faun. Brit. 



Guiana, in, p. 614. 

 Habitat : British Guiana, 

 regulus (Hydrobates) F. B. White, 1879, Journ. Linn. Soc. Lond., 



Zool., xiv, p. 488. 

 Habitat: Brazil. 



Genus u. METROS ATES Uhler. 



1871, Proc. Bost. Soc. Nat. Hist., xiv, p. 108. 



hesperius (Metrobates) Uhler, 1871, Proc. Bost. Soc. Nat. Hist., xiv, 



p. 108. 

 Habitat : New York ; Maryland ; North Carolina. 



