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Testing products.....
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spideyjg
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Posted 2 years ago
Fri Oct 1 2010 14:46:37
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My wife bought some pita bread that had roaches. Little bastards are dodging the bait stations.
I recall posted someplace a protocol for PCO's to test for resistance using jars. Anyone recall that?
Anyhow this morning saw one on the kitchen blind and flicked it into a ziploc bag. Decided to test the efficacy of my pesticide laced DE on his ass.
Opened the bag wide, gave a slight puff of DE into the bag and sealed it for 10 minutes so it could wander and get exposed.. Took a clean bag and transferred him into it.
After 1 hour he was looking sickly and hopefully when I get home he will be dead as a stick.
Got a mixture of the DE and Boric acid ready to drill and dust the kitchen.
I hate roaches.
The lesson is that if possible it is a best practice to confirm the efficacy of a product on the pest before applying.
Jim
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Posted 2 years ago
Fri Oct 1 2010 14:53:15
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What species of roach, Jim?
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spideyjg
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Posted 2 years ago
Fri Oct 1 2010 15:06:20
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I'll have to get the magnifier out tonight and confirm but I think it is a brown banded.
Jim
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Posted 2 years ago
Fri Oct 1 2010 21:18:42
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You do not need a magnifier to ID roaches.
German Cockroach. Notice the two dark lines on its "head". The sort of look like quotation marks.
Brown Banded. These tend to have faint brown bands running across the width of the back.German and Brown Banded are by far the two most common species in the US.
Sean
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nycyn
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Posted 2 years ago
Fri Oct 1 2010 21:59:50
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I hate the big ones. They fly! Well the males do.
Sigh. I have more bug knowledge lately than any commoner should have to.
**Remainder of post Spun off to "Tinkerbell" thread.
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spideyjg
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Posted 2 years ago
Sat Oct 2 2010 0:41:58
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thebedbugresource - 2 hours ago »
You do not need a magnifier to ID roaches.
German Cockroach. Notice the two dark lines on its "head". The sort of look like quotation marks.
Brown Banded. These tend to have faint brown bands running across the width of the back.
German and Brown Banded are by far the two most common species in the US.
Comparison of Common Roaches
SeanVery true Sean but couple no coffee and just waking up, my brain was fuzzy and focused on capture and dusting. I wasn't sure Brown Banded or Early German.
http://img.photobucket.com/albums/v186/spideyjg/BBs/IMG_2650.jpg
German nymph right?
It was sickly but not dead when I got home. Tossed back in the dusted bag and ran some errands for about 2 hours. Now it is dead.
Jim
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spideyjg
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Posted 2 years ago
Sat Oct 2 2010 0:50:46
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Spam filter probably caught the response. A German nymph.
Light yellowish spot on the thorax
Jim
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MyWorstFear
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Posted 2 years ago
Sat Oct 2 2010 8:22:20
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Jim, so how many hours in total before the ba$tard died? Ugh, now even bread is suspect. How long was the bread in the house before you realized?
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spideyjg
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Posted 2 years ago
Sat Oct 2 2010 10:43:40
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Bread maybe 2 days It had seeds and such in it and I saw movement.
Exposed to dusted bag 10 minutes and it made it noticeably unwell after an hour. When I got home 8 hours later it was even more unwell but still moving.
Since I had to confirm German or Brown banded I needed it dead and intact so I could wipe the dust off to see. Tossed back in the dusted bag for about 2 hours as I ran errands.
100% dead when I got home. So whether the first exposure would have killed it overnight I don't know. It was DE with pyrethrins so I it would have succumbed eventually from the first dust exposure.
I still have the dusted bag and any others will get a single exposure and see.
Jim
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MyWorstFear
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Posted 2 years ago
Mon Oct 4 2010 11:31:10
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Wow Jim, those things are pretty hardy. That seems like a long time for it to die. I just re-read your first post and see you transferred the ba$tard into a clean bag after an hour. Even so, it still seems like a long time to me, but then again, I hate bugs. At least he suffered for a long time!
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spideyjg
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Posted 2 years ago
Mon Oct 4 2010 11:53:53
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Caught one this morning and gave it a 30 minute exposure to the dust bag and now is in a clean one to die.
Too many kids at the house the weekend to tear the kitchen apart and treat.
Jim
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spideyjg
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Posted 2 years ago
Mon Oct 4 2010 22:18:16
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12 hours, not dead. 10 fecal spots.
Death by diarrhea?
Jim
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spideyjg
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Posted 2 years ago
Thu Oct 7 2010 23:15:44
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Well yesterday they were still alive. 2 possible explanation are that the exposed to light broke down the pyrethins or the electrostatic charge in the plastic bag prevented the DE from being attracted to the roaches.
Tossed in, way too much, boric acid and after a bit fished the nymphs out to a clean bag. 2 hours later they were dead.
So they were susceptible to the fresh pyrethrin laced DE and to boric acid.
Took my boric acid/DE mixture, my handy dandy Exacticide, and grabbed the cordless drill to make holes in the kitchen baseboards. This provided an opening into the gap between the floor and cabinet bottoms to blast the mixture in.
Damn German roaches. Take that!
Jim aka General Patton last night.
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Sleepless in NYC
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Posted 2 years ago
Fri Oct 8 2010 1:41:18
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lol General Patton.
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cacutie
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Posted 2 years ago
Fri Oct 8 2010 3:17:24
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How in the hell did you blast stuff into the floorboards/ wall? And does that really work? Do you need to drill a ton of holes in the hopes that bugs cross one of the areas? I'm not going to start drilling anything here, but I am really curious.
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spideyjg
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Posted 2 years ago
Fri Oct 8 2010 9:58:06
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There is about a 3" gap, covered by the baseboards between the bottom shelf of the cabinets and the floor.
Read a paper on roach control citing this space as a prime location they hide but isn't accessible.
You can drill holes and apply dust products easily into that because there is no insulation like a wall.
The Exacticide is a battery powered dust/granular pesticide applicator. It shoots a steady stream of dust.So I made several holes and dusted those gaps under the cabinets.
Jim
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