y02 
CATALOGUE OF 
viii. 389. Tign. Hist. Nat. Ins. iv. 258. Latr. Gen. iii. 150 — Ploa 
niinuiissima, Steph. Cut. 2, 354. Bunn. Handb. Ent. ii. 189. Brull. 
Hist. Nat. Ins. ix. 256. Blanch. Hist. Nat. Ins. iii. 89. Serv. Hist. 
Hem. 449. H.-Sch. Wanz. Ins. ix. 45 — Plea uiinutissima, Leach, 
Trans. Lin. Soc. xii. 14. Fieb. Ear. Hem. 101. Dougl. and Scott , 
Hem. 591. 
a — e. England. From Mr. Stephens’ collection. 
/ — i. England. 
Africa. 
2. Plea pullula. 
Ploa pullula, Stal, Ofv. K, V. Ak. Forh. xii. 89 — Plea pullula, Stal,Hem. 
Afr. iii. 192. 
Natal. 
Eastern Isles. 
3. Plea sobrina. 
sobrina, Stal, Eug. Besa, 268. 
Manilla. 
4. Plea frontalis. 
frontalis, Fieb. Ent. Mon. 18. Mayr, Novara Hem. 194. 
Nicobar Isles. 
/ 
Div. 2. 
Helotrephes, Stal, Eug. Resa, 267. 
5. Plea semiglobosa. 
Helotrephes semiglobosus, Stal, Eug. Resa, 268. 
Wainpoa, China. 
Genus 2. NOTONECTA. 
Notonecta, Linn. Syst. Nat. 2, 712. Fabr. Syst. Rhyn. 102. Latr. Gen. 
iii. 150. Burnt. Handb. Ent. ii. 190. Serv. Hist. Hem. 450. Fieb. 
Eur. Hem. 31. Dougl. and Scott, Hem. 585. 
1. Notonecta glauca. 
, Stoll, Pun. 54, pi. 12, f. 10. Geoffr. i. 476, pi. 9, f. 6 — 
Nepa notonecta. Deg. Ins. iii. 382, pi. Ig, f. 16, 17 — Notonecta glauca, 
Linn. Syst. Nat. i. 2, 712; Faun. Siiec. 903. Fabr. Ent. Syst. iv. 
57 ; Syst. Rhyn. 102. Panz. Faun. Germ. 3, 20. Oliv. Enc. viii. 
380, ])1. 374, f. 31. Tign. Hist. Nat. Ins. iv. 236, pi. 5, f. 3. Latr. 
Hist. Nat. Ins. xii. 291, pi. 97, f. 41 ; Gen. iii. 150. L.-Duf. Rech. 
Hem. 88. Burrn. Handb. Ent. ii. 190. Brull. Hist. Nat. Ins. ix. 
255. Blanch. Hist. Nut. Ins. Hi. 88. Hem. \t\. I,f. 2. Serv. Hist. 
Hem. 452. Flor, Rhyn. Liv. i. 772. Dougl. and Scott, Hem. 587 — 
