Atriplex (saltbush)
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1a. Galls on Atriplex canescens...2
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2a. Simple nonleafy enlargements of stem...3
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3a. Swelling gradual, tapered or cylindrical, woody...Lasioptera tibialis Felt and Neolasioptera willistoni (Cockerell)
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N. willistoni. Galls are either terminal, hard, ridged, and situated at tips of fruit-bearing branches, or smooth, softer, and on vegetative stems. Usually only one larva occupies a gall...Hosts: A. canescens, A. polycarpa.
- Raymond J. Gagne: (1989) The plant-feeding gall midges of North America©