10 PLANT-BUGS INJURIOUS TO COTTON BOLLS. 
Page. 
Fig. 5. The conchuela: Nymph, fourth instar 28 
6. The conchuela: Nymph, fifth instar 29 
7. Diagram of a portion of the Tlahualilo Cotton Estates 50 
8. Telenomus ashmeadi, an important parasite of the conchuela (Penta- 
toma ligata) 63 
9. Plan for the construction of a collecting can for use in hand-picking 
cotton plant-bugs 69 
10. The grain bug (Pentatoma sayi) : Nymph, first instar 72 
11. The grain bug: Nymph, fifth instar 73 
12. The brown cotton-bug (Eusekistus servus): Nymph, first instar 74 
13. The brown cotton-bug: Nymph, fifth instar 75 
14. The green soldier-bug (Nezara hilaris) : Nymph, first instar 78 
15. The green soldier-bug: Nymph, fifth instar; light and dark types 79 
16. Nezara viridula: Nymph, fifth instar; light and dark types 83 
17 . Thyanta custator: Nymph, first instar 84 
18. Thyanta custator: Nymph, fifth instar; light and dark types 85 
19. The leaf- footed plant-bug (Leptoglossus phyllopus) : Adult 88 
20. The northern leaf-footed plant-bug (Leptoglossus oppositus): Eggs and 
adult 90 
21. The northern leaf- footed plant-bug: Nymphs 90 
22. Triehopoda pennipes, a Tachinid parasite of Coreid plant-bugs 92 
23. The cotton leaf-bug (Calocoris rapidus): Nymphs and adult 93 
24. The bordered plant-bug (Largus succinctus): Nymph, first instar 94 
25. The bordered plant-bug: Nymph, fifth instar 95 
