HEMIPTERA HETEROPTERA. 
47 
o 
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000 
++ 
+++-(• 
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++ 
XX 
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Prolhorax with straight sides. 
Prolhorax with reflexed sides. 
Prolhorax with widened sides. 
1‘irst joint of the antennae as long as the pro- 
lhorax, or longer. - - - 
First joint of the antenna shorter than the 
protl)orax, rarely nearly equal to it in 
length. 
Prolhorax broader in front than behind. 
Prolhorax not broader in front than behind. 
Prothorax long, with a distinct transverse 
furrow. - - - - _ 
Prothorax with no distinct transverse furrow. 
Prothorax with a ring-shaped ridge on the 
lore border. - - . - 
Prothorax with no ring-shaped ridge on the 
fore border. 
Hind femora not or only slightly thickened 
1. Miris. 
2. Lopus. 
3. Phytocoris. 
4. Cyllecoris. 
5. Capsus. 
or compressed. - 
Hind femora in the female, at least, very 
distinctly thickened or compressed. 
Membrane with one areolet. 
Rostrum not extending to the tip of the 
abdomen. 
Body short. 
Eyes not very prominent. 
Rostrum extending to the middle of the 
melapectus. - 
Rostrum extending to the end of the rneta- 
pectus. - - - - _ 
Rostrum hardly extending beyond the hind 
COXiB. - - - - _ 
Eyes very prominent. - - _ 
Rostrum extending to to the tip of the abdo 
men. . - _ _ , 
- 6. Leptomebocoris. 
7. Eurymerocoris. 
§§ 
++ 
tf 
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t 
ft 
b. 
B. 
8. Monolocoris. 
9. Bryocoris. 
10. Fulvius. 
11. Anapus. 
13. PsiLORHAMPHUS. 
Body long, slender. 12. Mvrmecoris. 14. DrspniNCTcs. 
15. Monalonion. 16. Eucerocouis. 17. Pachypetis. 
Prothorax contracted in the middle. 18. Sphinctothorax.* 
Scutellum with an erect spine. 19. Helopeltis. 20. Herdonios.* 
First joint of the tarsi about as long as the 
second and third together. - - 21. Valdasus. 
Tarsi broader towards the lips. 
Corium with no appendage. - . 22. Eccritotarsus. 
Corjum with an appendage. - - 23. Sinervus. 
Prothorax gibbous in front, and extending 
over the head. - - - - 24. Ambractus. 
Fore libitE much dilated. - - - 25. Hemicocnemis. 
The four following genera are thus distinguished by Signoret. 
A. Scutellum flat. 
a. First joint of the antenu® short. - - . 
Monalonion. 
