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)
»
Flies (Diptera)
»
"Nematocera" (Non-Brachycera)
»
Mosquitoes and Midges (Culicomorpha)
»
Black Flies (Simuliidae)
Photo#1712992
Copyright © 2019
ophis
black fly pupal cases
Walpole, Norfolk County, Massachusetts, USA
June 8, 2019
Size: 4.2 mm (at right)
Two cases at left are occupied, with exsert thoracic gills. On submersed wood at base of spillway, Willett Pond dam.
Larger image
.
tag
·
login
or
register
to post comments
Contributed by
ophis
on 17 August, 2019 - 7:04am