none Systematics; Nomenclature; Diagnosis; Taxonomy; Key; Techniques; Biophysical techniques; Pathological techniques; Diagnostic techniques; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Land and freshwater zones; Nearctic region; North America; USA Coleophora laricella (Coleophoridae); Radiological techniques; Diagnosis of parasites; Radiological detection of hymenopteran parasite pupae in host pupae; Hymenopteran parasites; Chalcidoidea; Radiographic detection of parasite pupae in host pupae, evaluation; Idaho; Hymenopteran pupal parasites, key & radiographic detection Chalcidoidea; Radiological techniques; Diagnosis of parasites; Radiographic detection of pupae in lepidopteran host pupae; Lepidopteran hosts; Coleophora laricella; Radiographic detection of pupae in host pupae & key to species; Idaho; Pupal parasites of Coleophora laricella (Lepidoptera), key Coleophora laricella (Hubner) (Coleophoridae); Diagnostic characters; Pupa, p. 37 Bracon pygmaeus Provancher (Braconidae); Diagnostic characters; Pupa, p. 34 Chalcidoidea; Key to species; Idaho; Pupal parasites of Coleophora laricella (Lepidoptera), p. 37 Spilochalcis albifrons (Walsh) (Chalcididae); Diagnostic characters; Pupa, p. 34 Chrysocharis laricinellae (Ratzeburg) (Eulophidae); Diagnostic characters; Pupa, p. 37 Dicladocerus nearcticus Yoshimoto (Eulophidae); Diagnostic characters; Pupa, p. 37 Tetrastichus sp. (Eulophidae); Diagnostic characters; Pupa, p. 37 Mesopolobus verditer (Norton) (Pteromalidae); Diagnostic characters; Pupa, p. 37