ILLUSTRATIONS, 



PLATES. 



I'asje. 

 Plate I. Fig. 1. — Egg batch of Pentatoma lignta, showing hatched and un- 

 hatched eggs. Fig. 2. — Egg batch of Pentatoma ligata parasitized 



by Telenomus ashmeadi 10 



II. Work of Armadillidium vulgare on cotton 16 



III. Work of the coffee-bean weevil {Araecerus fusciculatus) in cornstalks. 02 



IV. The woolly white-fly {Aleyrodes howardi Quaintance) on orange. 



Fig. 1. — Moderate infestation of leaf, showing many specimens in 

 larval instars. Fig. 2. — Eggs on tender leaf. Fig. 3.- — Heavy 

 infestation of leaf, showing globules of honeydow embedded in 



woolly secretions overgrown by fungi 66 



V. Work of the pecan cigar case-bearer (Coleophora caryaefoliella). Fig. 

 1. — Twig of pecan, showing injury to foliage. Fig. 2. — Leaves of 



pecan, showing mines 82 



VI. Pecan tree, showing foliage checked and injured by pecan cigar 



case-bearer. 84 



VII. Normal pecan tree, same size as that shown in Plate VI, but with- 

 out injury by the pecan cigar case-bearer 84 



TEXT FIGURES. 



Fig. 1. The conchuela (Pentatoma ligata): Adult, egg mass, eggs 4 



2. Telenomus ashmeadi, an egg parasite of Pentatoma ligata 10 



3. Ceratopogon guttipennis: Adult, larva, pupa, details 24 



4. Ceratopogon guttipennis: Mouth parts of adult 24 



5. Ceratopogon varicolor: Pupa 25 



6. Ceratopogon stellifer: Adult 26 



7 . Apion assimile 30 



8. The false-indigo gall-moth (Walshia amorphella): Adult, larva, work.. 34 



9. The fickle midge {Sciara inconstans) : Adults and details, larva, pupa.. 37 



10. The four-lined loco weevil (Cleonus quadrilineatus): Adult 37 



11. The four-lined loco weevil (Cleonus quadrilineatus): Cocoon 38 



12. The spotted root fly (Euxesta notatu) : Adult male and female 39 



13. The meal snout-moth (Pyralis Jarinalis): Adult, larva and details, 



chrysalis and details 40 



14. Bruchus obsoletus: Adult and details 41 



15. The greenhouse thrips (Heliothrips hasmorrhoidalis): Adult female and 



antenna 46 



16. The greenhouse thrips: Egg, first-stage larva, full-grown larva 47 



17. The greenhouse thrips: Prepupa, pupa 48 



18. The coffee-bean weevil (Arxcerus fasciculatus): Larva, adult, pupa.. 62 



19. The woolly white-fly (Aleyrodes howardi): Eggs, female ovipositing.. 67 



20. The woolly white-fly : Larva, first instar 68 



21. The woolly white-fly: Details of larva of second instar 69 



22. The woolly white-fly: Pupa case and details 70 



23. Pecan twigs with buds and young leaves killed by pecan cigar case- 



bearer ( Coleophora caryxfoliella) 8i 



24. The pecan cigar case-beai'er (Coleophora caryaefoliella): Adult, larvae in 



cases 82 



IX 



