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Updates from August 9, 2006



On-stream insect photos by Troutnut from the West Branch of Owego Creek in New York

Closeup of some recently emerged Isonychia bicolor nymphs from a small stream. From the West Branch of Owego Creek in New York.
Closeup of some recently emerged Isonychia bicolor nymphs from a small stream.
Date TakenAug 9, 2006
Date AddedAug 10, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
Several Isonychia bicolor nymphs had recently crawled out onto these rocks to emerge, leaving behind their telltale shucks. From the West Branch of Owego Creek in New York.
Several Isonychia bicolor nymphs had recently crawled out onto these rocks to emerge, leaving behind their telltale shucks (
Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Shuck: The shed exoskeleton left over when an insect molts into its next stage or instar. Most often it describes the last nymphal or pupal skin exited during emergence into a winged adult.
)
.
Date TakenAug 9, 2006
Date AddedAug 10, 2006
AuthorTroutnut
CameraPENTAX Optio WPi

Closeup insects by Troutnut from the West Branch of Owego Creek in New York

Male Isonychia bicolor (Mahogany Dun) Mayfly SpinnerMale Isonychia bicolor (Mahogany Dun) Mayfly Spinner View 15 PicturesI got several really nice pictures of this spinner. I also collected a female on the same trip.
Collected August 9, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 11, 2006
Female Baetidae (Blue-Winged Olives) Mayfly SpinnerFemale Baetidae (Blue-Winged Olives) Mayfly Spinner View 12 PicturesThis species is probably in Centroptilum, Cloeon, or Procloeon. I captured this spinner on the same night as a dun which is probably of the same species.
Collected August 9, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 11, 2006
Female Isonychia bicolor (Mahogany Dun) Mayfly SpinnerFemale Isonychia bicolor (Mahogany Dun) Mayfly Spinner View 10 PicturesI collected this female together with a male.
Collected August 9, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 11, 2006
Female Baetidae (Blue-Winged Olives) Mayfly DunFemale Baetidae (Blue-Winged Olives) Mayfly Dun View 5 PicturesI captured this dun on the same night as a spinner which is probably of the same species.
Collected August 9, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 11, 2006
Female Baetidae (Blue-Winged Olives) Mayfly SpinnerFemale Baetidae (Blue-Winged Olives) Mayfly Spinner View 8 PicturesThis is one of the smallest mayflies I've ever collected, about 3mm long.
Collected August 9, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 11, 2006

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