. Ontario Sessional Papers, 1905, . Fig. 28. Pupa of anArehippus l)ut-terfly. /// Fig. 29. Pupa in a coroon. Fig. 30. Two-winged fly (Diptera) ULASsincATiON OF INSECTS. Insccts are, for convenience of study, di-vided into Orders, named according to the nature and number of the seven orders will be discussed here, as nearly every insect of economicimportance belongs to one of the seven: 1. With two wings Diptera. (Fig. 30). 2. With four wings : A. Upper and lower wings similar in texture. a. All wings scaly LepidojHera. (Fig. 31, 32). b. All wings naked or a little hairy : (
. Ontario Sessional Papers, 1905, . Fig. 28. Pupa of anArehippus l)ut-terfly. /// Fig. 29. Pupa in a coroon. Fig. 30. Two-winged fly (Diptera) ULASsincATiON OF INSECTS. Insccts are, for convenience of study, di-vided into Orders, named according to the nature and number of the seven orders will be discussed here, as nearly every insect of economicimportance belongs to one of the seven: 1. With two wings Diptera. (Fig. 30). 2. With four wings : A. Upper and lower wings similar in texture. a. All wings scaly LepidojHera. (Fig. 31, 32). b. All wings naked or a little hairy : (1) Wings many veined Neuroptera. (Fig. 33). (2) Wings few veined Hymenoptera. (Fig. 34) B. Upper and lower wings unlike in texture. (a) Mouth-parts formed tor , Heteroptera,(Figs. 19 and 20). 1904 ENTOMOLOGICAL SOCIETY. 103 (b) Mouth-parts formed for biting : (1) Upper wings horny Co/ioptera. (Fig. lio). (2) Upper wings parchment-like ...Orthoptera, Fig. 36).. Fiji. SI. BiittiTlly ( l,f].],icra) When both the mouth-parts and the wings are used for fhissificationihe folios\ing may be used:
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