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hop (Humulus lupulus)
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Cosmopteriginae
Mine an irregular gallery on midrib or other large vein with silk lined gallery inside mine, which larva uses as a shelter. From here the mine branches in all directions. Fresh mine yellowish-white, turning brown with age [8-5] Cosmopterix zieglerella 894
Lyonetiidae  
Mine a long sinuous gallery, often whitish in appearance and often crossing midrib. The egg is laid inside the leaf being injected through the epidermal layer. This feature helps to distinguish it from a Nepticulid mine where the egg is laid on the surface of the leaf [5+7+9-10] Lyonetia clerkella 263

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