Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Register
·
Log In
Home
Guide
ID Request
Recent
Frass
Forums
Donate
Help
Clickable Guide
Calendar
Upcoming Events
Registration
is open for the
2024 BugGuide gathering in Idaho
July 24-27
Moth submissions
from
National Moth Week 2023
Photos of
insects
and
people
from the
2022 BugGuide gathering in New Mexico
, July 20-24
Photos of
insects
and
people
from the
Spring 2021 gathering in Louisiana
, April 28-May 2
Photos of
insects
and
people
from the
2019 gathering in Louisiana
, July 25-27
Photos of
insects
and
people
from the
2018 gathering in Virginia
, July 27-29
Previous events
Taxonomy
Browse
Info
Images
Links
Books
Data
Home
» Guide »
Arthropods (Arthropoda)
»
Hexapods (Hexapoda)
»
Insects (Insecta)
»
Dragonflies and Damselflies (Odonata)
»
Dragonflies (Anisoptera)
»
Spiketails (Cordulegastridae)
»
Cordulegaster
»
Twin-Spotted Spiketail (Cordulegaster maculata)
Photo#427193
Copyright © 2010
Michael Butler
Cordulegaster maculata nymphs - three year classes. -
Cordulegaster maculata
Town of Marathon, Shack Creek, Thunder Bay District, Ontario, Canada
July 8, 2010
Size: various
It take three or four years for nymphs to mature - here are three cohorts.
tag
·
login
or
register
to post comments
Contributed by
Michael Butler
on 15 July, 2010 - 8:59pm
Last updated 10 December, 2011 - 4:22pm
Indeed!
It is also great to realize how much the younger cohorts resemble the larvae of other groups. Very neat series!
…
Denis A. Doucet
, 21 July, 2010 - 10:29am
login
or
register
to post comments
Nice!
Excellent to see these in a single image.
…
john and jane balaban
, 15 July, 2010 - 9:42pm
login
or
register
to post comments
Comment viewing options
Flat list - collapsed
Flat list - expanded
Threaded list - collapsed
Threaded list - expanded
Date - newest first
Date - oldest first
10 comments per page
30 comments per page
50 comments per page
70 comments per page
90 comments per page
Select your preferred way to display the comments and click 'Save settings' to activate your changes.