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
Spring 2021 gathering in Louisiana
, April 28-May 2
National Moth Week photos of
insects
and
people
. Here's
how to add your images.
Photos of
insects
and
people
from the
2019 BugGuide Gathering in Louisiana
, July 25-27
Discussion
,
insects
and
people
from the
2018 gathering in Virginia
, July 27-29
Photos of
insects
and
people
from the
2015 gathering in Wisconsin
, July 10-12
Photos of
insects
and
people
from the
2014 gathering in Virginia
, June 4-7.
Photos of
insects
and
people
from the
2013 gathering in Arizona
, July 25-28
Photos of
insects
and
people
from the
2012 gathering in Alabama
Taxonomy
Browse
Info
Images
Links
Books
Data
Home
» Guide »
Arthropods (Arthropoda)
»
Hexapods (Hexapoda)
»
Insects (Insecta)
»
Beetles (Coleoptera)
»
Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles (Polyphaga)
»
Series Cucujiformia
»
Long-horned and Leaf Beetles (Chrysomeloidea)
»
Leaf Beetles (Chrysomelidae)
»
Case-bearing Leaf Beetles (Cryptocephalinae)
»
Cryptocephalini
»
Pachybrachina
»
Scriptured Leaf Beetles (Pachybrachis)
»
Yellow Pachys (Pachybrachis Yellow Pachys)
»
Pachybrachis mellitus
Photo#232819
Copyright © 2008
Michael J. Plagens
Cryptocephaline on Creosote Bush -
Pachybrachis mellitus
-
Goldfield Mountains, Maricopa County, Arizona, USA
October 11, 2008
Size: 4 mm
This is a pretty common species on Creosote Bush (Larrea tridentata). I've found it in spring and fall. Color matched yellowed leaves perfectly.
tag
·
login
or
register
to post comments
Contributed by
Michael J. Plagens
on 11 October, 2008 - 6:10pm
Last updated 9 July, 2009 - 2:07pm
Moved
Moved from
Pachybrachis
.
…
Mike Quinn
, 7 January, 2009 - 3:20pm
login
or
register
to post comments
This is Pachybrachis mellitus
This is Pachybrachis mellitus. I too have only found it on creosote bush and only when in bloom. It apparently blends in well with the flowers. Ova are easy to collect from cryptocephalines as the females usually just drop them off of the host when they are done forming the egg case. Larvae of most species feed on leaf litter and other detritus and will use the egg case as their first larval case and add on to it throughout the larval period. This species has not been reared through.
…
John Randall Watts
, 12 October, 2008 - 8:23am
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.