[NatureNS] Lady Bug (getting long)

Date: Wed, 18 May 2011 19:27:51 -0300
Thread-Topic: [NatureNS] Lady Bug (getting long)
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From: "David McCorquodale" <David_McCorquodale@cbu.ca>
To: <naturens@chebucto.ns.ca>
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James:

=20

Lady beetle identification can be tricky, but once you get used to the
basic body form of the genera, it is pretty straightforward.  Below are
a few general notes, good sources, then brief descriptions of some of
the more frequently encountered species in Nova Scotia and then a plea
to watch for and photograph lady beetles this summer.  I am willing to
help with identifications.

=20

First, I would not rely on the pamphlet for the Nature Canada lady
beetle survey.  A few very common -and variable- species were not
included.  And to my reading it relied too much on counting spots and
counting spots is unreliable without paying attention to other features.
The analogous problem in birds is calling a kinglet a Ruby-crowned if
you see red on the head and ignoring the yellow and black marks on the
head.  I see as many Golden-crowned Kinglets with a red splotch on the
head as I do Ruby-crowneds.

=20

For many lady beetle identifications the key is to look at the pronotum.
This is the section behind the head and in front of the hardened front
wings.  On two-spotted lady beetles there are light bands both at the
front and rear of this section. =20

=20

The description you have of the colour of the hardened front wing
(elytra) and the placement of the spot, all fit Two-spotted Lady Beetle.
It is one of the most frequently encountered native species in the
Maritimes.  Compared to the frequently seen 7-spotted, it is smaller.
It does have the same spherical shape, not elongated like some other
lady beetles.

=20

Good sources of information about lady beetle identification:

BugGuide has photos of most of the species that occur in Nova Scotia.
http://bugguide.net/node/view/340377/bgpage  This is the page with
genera of lady beetles.

=20

John Acorn's book on Lady Beetles of Alberta (University of Alberta
Press) covers more than 85% of the species in Nova Scotia.  It has notes
on identifications and drawings.  It is also the most accessible and
best source of basic natural history information on lady beetles in
Canada.  And it is entertaining!

=20

Frequently seen lady beetles in Nova Scotia:

Seven-spotted Lady Beetle (Coccinella septempunctata):  Large round lady
beetle with dark pronotum except two light spots on the sides at the
front.  Wings have central dark spot at the middle of the front, plus
three spots on each side.

=20

Multicloured Asian Lady Beetle (Harmonia axyridis):  Large and rounded
with anywhere from no spots to more than a dozen.  Base colour varies
from light yellowy orange to deep red.  Note: very variable.  Pronotum
has an M or X-shaped mark, and usually includes lots of light areas.
Elsewhere some have pronota almost all dark and all dark hardened front
wings.  If you do not pay attention to the pronotum, size and shape,
this species can be misidentified as two-spotted or five-spotted or 7
spotted or 12-spotted.  Hence, pay attention to pronotum.

=20

Twelve-spotted lady beetle (This common name is used for more than one
species) (Propylea quatuordecimpunctata):  Pronotum is dark with a light
band on the sides and front.  Hardened front wings superficially look
like checker board.  Ground colour is usually yellowy/green.  This
species is slightly smaller than the 7-spot and a little more elongate.=20

=20

Adonis Lady Beetle (Hippodamia variegata):  This is smaller and more
elongate than the three above.  The pronotum has two light swatches in
the middle of the dark, plus the leading edge and the sides are light.
It is red with a central dark spot at the front of the hardened front
wings.  The other dark spots are most obvious on the back half of the
hardened front wings, usually 3 per wing.  There is also a dark spot
near the front of the wings, but these are sometimes difficult to see.
Therefore if you do not pay attention to shape and size and pornotum, it
could be misidentified as 7-spotted.

=20

These are the four most frequently collected lady beetles in Cape Breton
in the past 10 years.  All are non-native species.

=20

Native species include:=20
Two-spotted Lady Beetle (Adalia bipunctata):  Small and round.  Pronotum
with sides, front and most of rear edge light.  Hardened front wings
orange or red, usually with one spot on each.  Rarely encounetered forms
have the one spot split into two or even two pairs of spots (Denis
Doucet has found these forms in eastern New Brunswick). =20

=20

Eye-spotted Lady Beetle (Anatis mali), large rounded and many spots all
with a shadow ring around them,=20



Three banded Lady beetle (Coccinella trifasciata), three bands instead
of spots on the hardened front wings,=20



Cream-spotted or Twelve -spotted Lady Beetle (Calvia
quatuordecimguttata), small and rounded with large spots, colouration
variable,=20



Parenthesis Lady Beetle (Hippodamia parenthesis): Markings on back of
hardened front wings resemble parentheses and light marsk in the central
part of the pronotum.

=20

Thirteen-spotted Lady Beetle (Hippodamia tredecimpunctata): Pronotum
dark in centre mostly light at front and edges, with two dark spots at
the edges of the dark central portion.  Hardened front wings with lots
of spots, dark one centrally near pronotum and usually 6 on each wing.
Large, but more elongate than most lady beetles in Nova Scotia.

=20

Hudsonian Lady Beetle (Mulsantina hudsonia) streaks on light red/orange
hardened front wings and a dark line along middle.  Pronotum with
prominent 'm'.

=20

=20

There are a few more species that occur in Nova Scotia, but these should
give everyone a start.

=20

If anyone takes photos of lady beetles this summer, I am willing to
identify them, as long as you let me know the date and the location.
Many of the native species are infrequently collected now and I am
particularly keen to learn where they occur.

=20

David McCorquodale

=20

=20

=20

DB McCorquodale

Department of Biology, Cape Breton University,=20

1250 Grand Lake Rd., Sydney, NS B1P 6L2

david_mccorquodale @ cbu.ca

902-563-1260

=20

From: naturens-owner@chebucto.ns.ca
[mailto:naturens-owner@chebucto.ns.ca] On Behalf Of James Hirtle
Sent: May 18, 2011 12:46 PM
To: Naturens Naturens
Subject: [NatureNS] Lady Bug, not two-spotted

=20

Hi all:
=20
Thank you for the response as to the id of the ladybug that I saw the
other day.  I wish that I had the camera with me.  It was not a
two-spotted ladybug nor any of the ladybugs in the pamphlet for the lady
beetle survey from 1996.  The ladybug that I saw was most similar to the
California Ladybug in regards to my trying to locate an id.  It was all
orange with no markings, but there was a single small black spot dead
centre on either side down very low.  The black spot was not on the back
it was down almost at the level of the legs.  Any other suggestions
would be appreciated.  It is driving me crazy.
=20
Sincerely,
=20
James


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>James:<o:p><=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Lady beetle =
identification can be tricky, but once you get used to the basic body =
form of the genera, it is pretty straightforward.&nbsp; Below are a few =
general notes, good sources, then brief descriptions of some of the more =
frequently encountered species in Nova Scotia and then a plea to watch =
for and photograph lady beetles this summer.&nbsp; I am willing to help =
with identifications.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>First, I =
would not rely on the pamphlet for the Nature Canada lady beetle =
survey.&nbsp; A few very common -and variable- species were not =
included.&nbsp; And to my reading it relied too much on counting spots =
and counting spots is unreliable without paying attention to other =
features.&nbsp; The analogous problem in birds is calling a kinglet a =
Ruby-crowned if you see red on the head and ignoring the yellow and =
black marks on the head.&nbsp; I see as many Golden-crowned Kinglets =
with a red splotch on the head as I do =
Ruby-crowneds.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>For many =
lady beetle identifications the key is to look at the pronotum.&nbsp; =
This is the section behind the head and in front of the hardened front =
wings.&nbsp; On two-spotted lady beetles there are light bands both at =
the front and rear of this section.&nbsp; <o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>The =
description you have of the colour of the hardened front wing (elytra) =
and the placement of the spot, all fit Two-spotted Lady Beetle.&nbsp; It =
is one of the most frequently encountered native species in the =
Maritimes.&nbsp; Compared to the frequently seen 7-spotted, it is =
smaller.&nbsp; It does have the same spherical shape, not elongated like =
some other lady beetles.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><b><u><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Good =
sources of information</span></u></b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> about lady =
beetle identification:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>BugGuide =
has photos of most of the species that occur in Nova Scotia.&nbsp; <a =
href=3D"http://bugguide.net/node/view/340377/bgpage">http://bugguide.net/=
node/view/340377/bgpage</a>&nbsp; This is the page with genera of lady =
beetles.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>John =
Acorn&#8217;s book on Lady Beetles of Alberta (University of Alberta =
Press) covers more than 85% of the species in Nova Scotia.&nbsp; It has =
notes on identifications and drawings.&nbsp; It is also the most =
accessible and best source of basic natural history information on lady =
beetles in Canada.&nbsp; And it is entertaining!<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><b><u><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Frequently =
seen lady beetles in Nova Scotia:<o:p></o:p></span></u></b></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Seven-spotte=
d Lady Beetle (<i>Coccinella septempunctata</i>):&nbsp; Large round lady =
beetle with dark pronotum except two light spots on the sides at the =
front.&nbsp; Wings have central dark spot at the middle of the front, =
plus three spots on each side.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Multicloured=
 Asian Lady Beetle (<i>Harmonia axyridis</i>):&nbsp; Large and rounded =
with anywhere from no spots to more than a dozen.&nbsp; Base colour =
varies from light yellowy orange to deep red.&nbsp; Note: very =
variable.&nbsp; Pronotum has an M or X-shaped mark, and usually includes =
lots of light areas.&nbsp; Elsewhere some have pronota almost all dark =
and all dark hardened front wings.&nbsp; If you do not pay attention to =
the pronotum, size and shape, this species can be misidentified as =
two-spotted or five-spotted or 7 spotted or 12-spotted.&nbsp; Hence, pay =
attention to pronotum.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Twelve-spott=
ed lady beetle (This common name is used for more than one species) =
(<i>Propylea quatuordecimpunctata</i>):&nbsp; Pronotum is dark with a =
light band on the sides and front.&nbsp; Hardened front wings =
superficially look like checker board.&nbsp; Ground colour is usually =
yellowy/green.&nbsp; This species is slightly smaller than the 7-spot =
and a little more elongate. <o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Adonis Lady =
Beetle (<i>Hippodamia variegata</i>):&nbsp; This is smaller and more =
elongate than the three above.&nbsp; The pronotum has two light swatches =
in the middle of the dark, plus the leading edge and the sides are =
light.&nbsp; It is red with a central dark spot at the front of the =
hardened front wings.&nbsp; The other dark spots are most obvious on the =
back half of the hardened front wings, usually 3 per wing.&nbsp; There =
is also a dark spot near the front of the wings, but these are sometimes =
difficult to see.&nbsp; Therefore if you do not pay attention to shape =
and size and pornotum, it could be misidentified as =
7-spotted.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>These are =
the four most frequently collected lady beetles in Cape Breton in the =
past 10 years.&nbsp; All are non-native species.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Native =
species include:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
<br>Two-spotted Lady Beetle (<i>Adalia bipunctata</i>):&nbsp; Small and =
round.&nbsp; Pronotum with sides, front and most of rear edge =
light.&nbsp; Hardened front wings orange or red, usually with one spot =
on each.&nbsp; Rarely encounetered forms have the one spot split into =
two or even two pairs of spots (Denis Doucet has found these forms in =
eastern New Brunswick).&nbsp; <o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Eye-spotted =
Lady Beetle (<i>Anatis mali</i>), large rounded and many spots all with =
a shadow ring around them, <br><br><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Three =
banded Lady beetle (<i>Coccinella trifasciata</i>), three bands instead =
of spots on the hardened front wings, <br><br><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Cream-spotte=
d or Twelve &#8211;spotted Lady Beetle (<i>Calvia =
quatuordecimguttata</i>), small and rounded with large spots, =
colouration variable, <br><br><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Parenthesis =
Lady Beetle (<i>Hippodamia parenthesis</i>): Markings on back of =
hardened front wings resemble parentheses and light marsk in the central =
part of the pronotum.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Thirteen-spo=
tted Lady Beetle (<i>Hippodamia tredecimpunctata</i>): Pronotum dark in =
centre mostly light at front and edges, with two dark spots at the edges =
of the dark central portion.&nbsp; Hardened front wings with lots of =
spots, dark one centrally near pronotum and usually 6 on each =
wing.&nbsp; Large, but more elongate than most lady beetles in Nova =
Scotia.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Hudsonian =
Lady Beetle (<i>Mulsantina hudsonia</i>) streaks on light red/orange =
hardened front wings and a dark line along middle.&nbsp; Pronotum with =
prominent &#8216;m&#8217;.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>There are a =
few more species that occur in Nova Scotia, but these should give =
everyone a start.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>If anyone =
takes photos of lady beetles this summer, I am willing to identify them, =
as long as you let me know the date and the location. &nbsp;Many of the =
native species are infrequently collected now and I am particularly keen =
to learn where they occur.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>David =
McCorquodale<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p>&nbsp;<=
/o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p>&nbsp;</o:p></span></p><div><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>DB McCorquodale<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Department of Biology, Cape Breton University, =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>1250 Grand Lake Rd., Sydney, NS B1P 6L2<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>david_mccorquodale @ cbu.ca<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>902-563-1260<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:10.5pt;font-family:Consolas;color:#1F497D'><o:p>&nbsp;=
</o:p></span></p></div><div><div style=3D'border:none;border-top:solid =
#B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca] =
<b>On Behalf Of </b>James Hirtle<br><b>Sent:</b> May 18, 2011 12:46 =
PM<br><b>To:</b> Naturens Naturens<br><b>Subject:</b> [NatureNS] Lady =
Bug, not two-spotted<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Hi =
all:<br>&nbsp;<br>Thank you for the response as to the id of the ladybug =
that I saw the other day.&nbsp; I wish that I had the camera with =
me.&nbsp; It was not a two-spotted ladybug nor any of the ladybugs in =
the pamphlet for the lady beetle survey from 1996.&nbsp; The ladybug =
that I saw was most similar to the California Ladybug in regards to my =
trying to locate an id.&nbsp; It was all orange with no markings, but =
there was a single small black spot dead centre on either side down very =
low.&nbsp; The black spot was not on the back it was down almost at the =
level of the legs.&nbsp; Any other suggestions would be =
appreciated.&nbsp; It is driving me =
crazy.<br>&nbsp;<br>Sincerely,<br>&nbsp;<br>James<o:p></o:p></span></p></=
div></body></html>
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