none Reproduction; Reproductive behaviour; Life cycle and development; Behaviour; Activity patterns; Circadian activity; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts; Host parasite relationships; Abiotic factors; Physical factors; Land and freshwater zones; Nearctic region; North America; USA Rhagoletis zephyria (Tephritidae); Oviposition; Development; Seasonal activity; Diurnal activity; Host plant maturity relations & influencing factors; Hymenopteran parasites; Opius lectoides; Parasite behaviour observations on host plant; Plant hosts; Symphoricarpos rivularis (snowberry), development & behaviour; Distribution upon host, seasonal variation; Host seeking; Opius lectoides (Hymenoptera) parasites, observations; Prevalence; Symphoricarpos rivularis (plant); Humidity; Light; Intensity, activity relations; Temperature; Activity & development relations, host plant; Washington; Clark County, development & behaviour on host plant, influencing factors Opius lectoides (Braconidae); Activity patterns, dipteran host; Dipteran hosts; Rhagoletis zephyria; Parasite behaviour observations; Host seeking; Rhagoletis zephyria (Diptera) hosts, observations; Washington; Clark County; Behaviour observations