Browsing by Author "Ryckman, Raymond E."
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A Note on Several Species of Aquatic Hemiptera from Santa Catalina Island, California
Lee, Robert D.; Ryckman, Raymond E.; Christianson, Christian P. -
Ophthalmomyiasis Due to the Sheep Bot Fly in Southern California (Diptera: Oestridae)
Ryckman, Raymond E.The sheep bot fly, Oestrus ovis L., is geographically widespread in nature; this species is known to occur in North and South America, Europe, Asia, and Africa. Attacks by this fly on man have occurred more frequently where ... -
Pimeliaphilus zeledoni n. sp. (Acari, Pterygosomidae), a Parasite of Triatoma dimidiata (Latr.) (Hemiptera, Reduviidae)
Newell, Irwin M.; Ryckman, Raymond E.Pimeliaphilus zeledoni n. sp. is compared in detail with P. andersoni Newell & Ryckman 1966. Although seemingly very closely related, these species parasitize different species of hosts whose presently known distributions ...