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- A List of the Butterflies (Lepidoptera: Papilionoidea) of the La Rue-Pine Hills Ecological Area
- The Taxonomic Report of the INTERNATIONAL LEPIDOPTERA SURVEY
- Specimen Records for North American Lepidoptera (Insecta) in the Oregon State Arthropod Collection
- Lepidoptera of the Pacific Northwest: Caterpillars and Adults
- (Lepidoptera: Lycaenidae) in New Caledonia and the Wet Tropics of Australia, with a Review of Butterfly Endemism in These Regions
- Time Series Analysis of Holly Blue Records in Yorkshire – Uncovering a Parasitoid
- Program and Proceedings of the International Lepidopterists' Conference, Denver, July 23–29, 2012
- Butterflies of Virginia Checklist
- The Taxonomic Report
- Zootaxa, Molecular Systematics and Biogeography of the Genus Zizina
- Spring Azure Celastrina Ladon Kingdom: Animalia FEATURES Phylum: Arthropoda the Spring Azure Butterfly Has a Wingspan of 1.0 Class: Insecta Inch
- Butterflies That Are Endangered, Threatened, and of Special Concern in Ohio1
- Lycaenidae (Butterflies)
- MEETINGS in 1947. Beaulieu and Buckler's Hard
- In the Hops Blue Butterfly, Celastrina Humulus (Lepidoptera: Lycaenidae) Author(S): Tristan D
- Here's a Copy of Harry Pavulaan's and David Wright's Description of a New Azure Species, Celastrina
- Invertebrates of Bombay Hook National Wildlife Refuge 2591 Whitehall Neck Road Smyrna, Delaware 19977 302-653-9345
- The Systematics of Polyommatus Blue Butterflies (Lepidoptera, Lycaenidae)
- Lycaenidae): a Nomenclatorial Nightmare