What's this bug?

mikalakaJuly 15, 2011

Hello,

I'm a newbie gardener and in the past 2 weeks have had some issues I'm trying to solve. First my cucumbers had a light powder coating. They're Diva which I thought were resistant to mildew. I've sprayed them a couple times with insecticidal soap and baking soda, and that seemed to have gone away. Now the lower leaves are just mottled with yellow spots. Undersides are fine. They do eventually die (shrivel up brown and die) along the bottom. Now, I've noticed some of my squash (right next to cucumbers) also have this.

Now yesterday, I've noticed the cucumber leaves, squash leaves (same 4x4 bed) and eggplant and beans (nearby but different 4x4 bed) all have holes eaten in them, with brown thin patches and some white splotches (excrement??). Doing some googling brought me to the idea that it was cucumber beetles that gave them bacteria wilt!

I've been out this morning looking and have found no such beetles.

The only thing I found was this one..which when I look in my books and online doesn't look like a squash beetle (I don't think anyways). Could this be causing my problems?? Does anyone know what this is? He was sitting on my eggplant leaes this morning.

Image link:

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rhizo_1 (North AL) zone 7

That, my friend, is a great picture of one of the assassin bugs! Strictly carnivorous! They stab their long feeding tube into their victim and after injecting their toxic saliva that liquifies the 'innards', they suck their victims dry.

Here is a link that might be useful:

    Bookmark   July 15, 2011 at 2:10PM
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hortster(6a, southcentral KS)

Looks like some type of assassin bug, of which there are many, good predators in the garden.
hortster

Here is a link that might be useful: Assassin bugs

    Bookmark   July 15, 2011 at 2:19PM
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mikalaka

Ah - thank you so much! So, we'll leave the assissin bugs alone. So the question then to follow that up with, is any idea what could be causing all this damage? A few weeks ago I found a skinny green catepillar. (I don't know what kind.) But right now I don't see anything out there.

Here is a link that might be useful:

    Bookmark   July 15, 2011 at 3:44PM
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hortster(6a, southcentral KS)

The notching on the leaves indicates some kind of insect munching, the "burning" or "scorching" indicates some disease or some other non-parisitc problem. Have a local extension service? Probably the way to go.
hortster

    Bookmark   July 15, 2011 at 8:00PM
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mikalaka

That's a great suggestion - thanks horster.

    Bookmark   July 15, 2011 at 8:40PM
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