Odonatologica , Volume 28 - Issue 1 p. 93- 115
(12058) DAVIES, R.W. & R.P. EVERETT, 1975. The feeding of four species of freshwater Hirudinoidea in southern Alberta. Verb. ini. Ver. Limnol. 19(4): 2816- -2827. — (Authors’ current addresses unknown). Prey-range experiments and/or gut contents analysis demonstrated that Zygopt. larvae were consumed by Helobdella stagnalis and Nephelopsis obscura. The latter fed on Anisopt. larvae as well. Erpobdella punctata had been previously reported to ingest Zygopt. larvae (J.P. Moore, 1912, Zool. Ser. geol. nat. Hist. Sum Minn. 1912: 68-150), but no evidence was found in the present study. (12059) OLIGER.A.I., 1975.Kvoprosuozarazhennosti strekoz (Odonatoptera) kleshchami semeystva Arrenhuridae v Donbasse. – [On the problem of dragonfly (Odonatoptera) infestation by the Arrenhuridae mites in the Don Basin], Probl. Parazilol. 2: 78-80 (Russ.). — (Author’s current address unknown). Quantitative data are presented for 15 odon. spp., from 4 localities.
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