[NatureNS] blackfly bites, or what are they

From: "David&Jane Schlosberg" <dschlosb-g@ns.sympatico.ca>
To: <naturens@chebucto.ns.ca>
Date: Sun, 22 Aug 2010 14:48:20 -0300
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Dave, why do you think polygonum scabrum could cause a skin reaction?  It's
got a high oxalic acid content, but so do so many other plants.  Also, I've
never seen it in the woods, except in places that are sunny enough to grow
grass.  My husband has grass allergies, but I don't know of people who are
not allergic getting rashes from grass.  Do you have a source for this
information?  I wonder if the dry heat lately would make many plants more
irritating, as has happened with the members of the carrot family.....
As for the chiggers theory, I seem to remember from my childhood in
Maryland, that chiggers attack under elastic, like waistbands.
Obviously, this thread has caught the attention of a fair number of us, as
we all love to walk in the woods.
Jane
  -----Original Message-----
  From: naturens-owner@chebucto.ns.ca
[mailto:naturens-owner@chebucto.ns.ca]On Behalf Of David & Alison Webster
  Sent: Sunday, August 22, 2010 2:17 PM
  To: naturens@chebucto.ns.ca
  Subject: Re: [NatureNS] blackfly bites, or what are they


  Hi Martin,                Aug 22, 2010
      Because they are localized to lower leg, I would suspect some delayed
reaction to a knee-high scabrous plant. Possible candidates; Carex spp.,
grass, Polygonum scabrum...
  Yt, Dave Webster, Kentville
    ----- Original Message -----
    From: Martin Alpert
    To: naturens@chebucto.ns.ca
    Sent: Sunday, August 22, 2010 9:36 AM
    Subject: [NatureNS] blackfly bites, or what are they


    I walked last thurs into North River Fall, in shorts.
    On my lower leg I had quite a few, what looked like, black fly bites.
Some 40 on each leg, randomly spaced - not like I brushed into some noxious
plant.
    Usually they are no problem and the next day they are almost gone.
    These itch a little.
    Today is Sunday and there really red and slightly raised.
    Anybody know what happened?


    Marty


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<BODY bgColor=3D#ffffff>
<DIV><SPAN class=3D812084017-22082010><FONT color=3D#0000ff size=3D2 =
face=3DArial>Dave,=20
why do you think polygonum scabrum could cause a skin reaction?&nbsp; =
It's got a=20
high oxalic acid content, but so do so many other plants.&nbsp; Also, =
I've never=20
seen it in the woods, except in places that are sunny enough to grow=20
grass.&nbsp; My husband has grass allergies, but I don't know of people =
who are=20
not allergic getting rashes from grass.&nbsp; Do you have a source for =
this=20
information?&nbsp; I wonder if the dry heat lately would make many =
plants more=20
irritating, as has happened with the members of the carrot=20
family.....</FONT></SPAN></DIV>
<DIV><SPAN class=3D812084017-22082010><FONT color=3D#0000ff size=3D2 =
face=3DArial>As for=20
the chiggers theory, I seem to remember from my childhood in Maryland, =
that=20
chiggers attack under elastic, like waistbands.</FONT></SPAN></DIV>
<DIV><SPAN class=3D812084017-22082010><FONT color=3D#0000ff size=3D2=20
face=3DArial>Obviously, this thread has caught the attention of a fair =
number of=20
us, as we all love to walk in the woods.</FONT></SPAN></DIV>
<DIV><SPAN class=3D812084017-22082010><FONT color=3D#0000ff size=3D2=20
face=3DArial>Jane</FONT></SPAN></DIV>
<BLOCKQUOTE style=3D"MARGIN-RIGHT: 0px" dir=3Dltr>
  <DIV dir=3Dltr class=3DOutlookMessageHeader align=3Dleft><FONT =
size=3D2=20
  face=3DTahoma>-----Original Message-----<BR><B>From:</B>=20
  naturens-owner@chebucto.ns.ca =
[mailto:naturens-owner@chebucto.ns.ca]<B>On=20
  Behalf Of </B>David &amp; Alison Webster<BR><B>Sent:</B> Sunday, =
August 22,=20
  2010 2:17 PM<BR><B>To:</B> naturens@chebucto.ns.ca<BR><B>Subject:</B> =
Re:=20
  [NatureNS] blackfly bites, or what are they<BR><BR></FONT></DIV>
  <DIV><FONT size=3D2>Hi Martin,&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;=20
  &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; Aug 22, 2010</FONT></DIV>
  <DIV><FONT size=3D2>&nbsp;&nbsp;&nbsp; Because they are localized to =
lower leg,=20
  I would suspect some delayed reaction to a knee-high scabrous plant. =
Possible=20
  candidates; Carex spp., grass, Polygonum scabrum... </FONT></DIV>
  <DIV><FONT size=3D2>Yt, Dave Webster, Kentville</FONT></DIV>
  <BLOCKQUOTE=20
  style=3D"BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; =
PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
    <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
    <DIV=20
    style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>From:</B>=20
    <A title=3Dalpertelectric@gmail.com=20
    href=3D"mailto:alpertelectric@gmail.com">Martin Alpert</A> </DIV>
    <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Dnaturens@chebucto.ns.ca=20
    href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</A> =
</DIV>
    <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Sunday, August 22, 2010 =
9:36=20
    AM</DIV>
    <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [NatureNS] blackfly =
bites, or=20
    what are they</DIV>
    <DIV><BR></DIV>I walked last thurs into North River Fall, in shorts. =

    <DIV>On my lower leg I had quite a few, what looked like, black fly =
bites.=20
    Some 40 on each leg, randomly spaced - not like I brushed into some =
noxious=20
    plant.</DIV>
    <DIV>Usually they are no problem and the next day they are almost=20
    gone.&nbsp;</DIV>
    <DIV>These itch a little.</DIV>
    <DIV>Today is Sunday and there really red and slightly raised.</DIV>
    <DIV>Anybody know what happened?&nbsp;</DIV>
    <DIV><BR></DIV>
    <DIV>Marty</DIV>
    <P>
    <HR>

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