HEMIPTERA HUTEROPTERA. 159 
PLOTERES. 
Ploteres, Lair. Serv. Hist. Hem. 409—Hydrometrite, De Lap.— Amphi- 
corise, L.- Duf.—Hydrodromici, Burm. 
A. Legs not formed for gliding on water. Ripicola. - 1. HEBRIDE. 
B. Four hinder legs formed for gliding on water. 
a. Four posterior legs fiiiform, approximate, very, far from 
the fore legs. - - 2, GERRIDA. 
b. Legs nearly “equally far apart femora somewhat 
stout. - - - - 3. VELIDE. 
Fam. 1. HEBRIDA. 
Hebride, Serv. Hist. Hem. 293. Fieb. Eur. Hem.—Hebroidea, Flor.— 
Hebrina and Hebride, Dougl. and Scott, Hem, 25. 
Genus 1. HEBRUS. 
Hebrus, Curt. Ent. Mag. i. 198. Burm. Handb. Ent. ii. 214. Serv. 
Hist. Hem, 294. Fiecb. Eur. Hem. 104, Dougl. and Scott, Hem. 263 
—Naogeus, De Lap, Ess. Hem. 34. 
. HEBRUS PUSILLUS. 
Lygeus pusillus, Fall. ihe Cim. 71; Hem. Suec. 65. Germ, Faun. Eur. 
15, 1l—Hebrus pusillus, Curt. Ent. Mag.i.199. Westw. A. S.E. F. 
iii. 5, pl. 6, f.6. Burm, Handb. Ent. ii. 214. Serv. Hist. Hem. 294. 
Flor, Rhyn. Liv. i. 374, Fieb. Hur. Hem. 104. Dougl. and Scott, 
Hem. 266—Neogeus erythrocephalus, De Lap. Ess. Hem, 34. 
i—f. England. 
2. Hesperus Lerzneri. 
Letaneri, Scholtz, Arb. Ver. 1846, 5. Fieb. Eur. Hem. 104. 
Silesia. 
3. Hrsrus Fusous, 
fuscus, Costa, Ann. Mus. Zool. Nap. ii. 125. 
Naples. 
4, HEBRUS AMERICANUS. 
Americanus, Uhler. 
a—f. Indiana. Presented by F. Walker, Esq. 
5. HEBRUS PARVULUS. 
parvulus, Stal, Rio Jan, Hem. 60. 
Rio Janeiro. 
