jbrumble Posted December 14, 2007 Share Posted December 14, 2007 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!! Quote Link to comment Share on other sites More sharing options...
RosenKrieger Posted December 14, 2007 Share Posted December 14, 2007 I don't have any dubia's, but here is a photo of 1st instar Hisser nymphs: Hope that helps Quote Link to comment Share on other sites More sharing options...
EffeCi Posted December 15, 2007 Share Posted December 15, 2007 Hisser's nymphs are brown-black, but are not burrowers Dubia's nymphs are light grey and good burrowers Quote Link to comment Share on other sites More sharing options...
Keith Posted December 15, 2007 Share Posted December 15, 2007 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. Quote Link to comment Share on other sites More sharing options...
Zephyr Posted December 16, 2007 Share Posted December 16, 2007 I believe that dubia nymphs play dead when you pick them up and turn them over. ^^ Quote Link to comment Share on other sites More sharing options...
Matt K Posted December 16, 2007 Share Posted December 16, 2007 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. Quote Link to comment Share on other sites More sharing options...
Keith Posted August 21, 2014 Share Posted August 21, 2014 I found Hisser nymphs have white tips on the end of their antennae, but your right they can look very similar. Quote Link to comment Share on other sites More sharing options...
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