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)
»
Beetles (Coleoptera)
»
Polyphaga
»
Scarabaeoidea
»
Scarab Beetles (Scarabaeidae)
»
May Beetles and Junebugs (Melolonthinae)
»
Rhizotrogini
»
May Beetles (Phyllophaga)
»
Subgenus Phyllophaga (Phyllophaga Subgenus Phyllophaga)
»
Phyllophaga crenulata
Photo#271487
Copyright © 2009
Mark Fox
Phyllophaga crenulata? -
Phyllophaga crenulata
Pearl River WMA, Slidell, St. Tammany Parish, Louisiana, USA
April 23, 2009
Size: 2cm
Images of this individual:
tag all
tag
·
login
or
register
to post comments
Contributed by
Mark Fox
on 2 May, 2009 - 10:25am
Last updated 11 May, 2009 - 1:27pm
P. hirticula (Knoch)
is also hairy and also occurs in Louisiana. Examination of genitalia is often the only way to be sure with
Phyllophaga
.
…
Michael C. Thomas
, 2 May, 2009 - 2:20pm
login
or
register
to post comments
I tried to dissect out the genitalia
and as best I can tell (though I'm not 100%) the subgenital plates look very much like the image you posted for P. crenulata, not like the images on
this page
.
…
Mark Fox
, 2 May, 2009 - 3:08pm
login
or
register
to post comments
Also,
Also, the same site claims that
P. hirsuta
is "easily recognizable" (right!) by the evenly spaced rows of elytral setae. I'm not sure if this specimen has that, but it certainly has plenty of densely packed short elytral setae.
…
Mark Fox
, 2 May, 2009 - 3:14pm
login
or
register
to post comments
If the genitalia
look like
crenulata
then that's what it is. In your dorsal shot, the long erect setae do look to be in rows.
…
Michael C. Thomas
, 3 May, 2009 - 11:17am
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.