 Help with nymphs please! |
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| Help with nymphs please! |
 Dec 14 2007, 04:21 AM
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#1
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Eggcase  Group: Members Posts: 3 Joined: 20-November 07 Member No.: 204  |
I accidentally dumped some adult dubia roaches into my colony of adult hissers and now one of them has been breeding. I want to seperate them but I'm not sure which specied (god forbid both) had the nymphs. Is there an easy way to tell the two apart. The nymphs can't be more than a few days old but they are a centimeter long. and greyish. If someone with both species could show me some pictures of each that would be SUPER helpful. I need to get these guys apart before it becomes a lost cause!
Thanks!! |
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Dec 14 2007, 07:04 PM
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#2
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 Cockroach Group: Members Posts: 270 Joined: 19-September 07 From: Bakersfield, CA Member No.: 125 |
I don't have any dubia's, but here is a photo of 1st instar Hisser nymphs:
 Hope that helps -------------------- |
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Dec 15 2007, 05:50 PM
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#3
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 Nymph Group: Members Posts: 88 Joined: 24-September 07 From: Milano, Italy Member No.: 131 |
Hisser's nymphs are brown-black, but are not burrowers
Dubia's nymphs are light grey and good burrowers -------------------- |
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Dec 15 2007, 09:43 PM
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#4
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 Cockroach Group: Members Posts: 279 Joined: 15-September 07 From: Long Island, NY Member No.: 117 |
Hisser's nymphs are brown-black, but are not burrowers
I used to have hisser nymphs and they burrowed under the substrate, most roach nymphs do except mabye pest species. |
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Dec 16 2007, 03:34 AM
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#5
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 Hissing Cockroach Group: Members Posts: 876 Joined: 8-September 07 Member No.: 103 |
I believe that dubia nymphs play dead when you pick them up and turn them over. ^^
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Dec 16 2007, 05:44 AM
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#6
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 Giant Cockroach Group: Members Posts: 1,115 Joined: 24-July 07 From: USA Member No.: 7 |
QUOTE(Zephyr @ Dec 16 2007, 03:34 AM)  I believe that dubia nymphs play dead when you pick them up and turn them over. ^^ You may also notice that hisser nymphs are (usually) elongate and dubia nymphs are more ovoid. Also, hisser nymphs have markings near the "shoulder" area and dubia nymphs are relatively uniformly mottled/colored. |
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