Caenis
CORDULEGASTRIDAE Latineosus Cordulegaster EUTHYPLOCIIDAE CORDULIIDAE Campylocia Neocordulia Euthyplocia LIBELLULIDAE HEPTAGENIIDAE Anatya* Epeorus Brachymesia Mccaffertium Brechmorhoga ISONYCHIIDAE Cannaphila Isonychia Dythemis LEPTOHYPHIDAE Elasmothemis (syn.
The dominate dragonfly family was Libellulidae, which accounted for 18 of the 30 total species, followed by Aeshnidae (4 spp.), Gomphidae (4 spp.), Corduliidae (3 spp.), and
Cordulegastridae (1 sp.).
The food web of Broadstone Stream has been invaded by a new top predator, the nymph of the Golden-ringed Dragonfly, Cordulegaster boltonii Donovan (Anisoptera:
Cordulegastridae).
Part I: Aeshnidae, Petaluridae, Gomphidae,
Cordulegastridae. Bulletin of American Odonatology 7:61-90.
E importante considerar a presenca ou ausencia de organismos indicadores de qualidade ambiental, como especies das familias Baetidae e Caenidae (Ephemeroptera), Hydropsychidae, Hydroptilidae, Odontoceridae e Polycentropodidae (Trichoptera), Coenagrionidae,
Cordulegastridae, Libellulidae e Aeshnidae (Odonata), que indicam boas condicoes ambientais (BOUCHARD JR., 2004; MERRITT; CUMMINS, 1996; PEREZ, 1988).