Is it safe for a Giant Water Bug?

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Arachnopeon
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Dec 2, 2024
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Hello, I recently aquired an adult giant water bug of the Lethocerus genus 💧 It's not my first, I had a Lethocerus in highschool, an Abedus in college, and a young Lethocerus last summer (that i released a few days after capture). I learned in an aquatic entomology class that Lethocerus giant water bugs, in the Tucson area of Arizona, migrate down here in the summer during the rains 🌧 and go back up to the Catalina Mountains ⛰ after breeding. I only just recently got reminded that the migration back to the mountains occurs during the fall which is when I found/captured my most recent pet in the swimming pool. If you are unfamiliar with the Catalina mountains the habitat 🏞 there is entirely different then the adjacent Tucson Valley. The former is cool and forested, the latter is a dry desert (dry except for the summer and winter rainy periods) and it does get cold in the winter.

❓ MY QUESTION is, does anyone know if it is safe to keep a Lethocerus giant water bug over the winter? 🤔 I've read that they tend to either hibernate in deep, muddy water bodies or remain in a low activity state during the winter (however, none of these sources were speaking about Tucson-area populations). Keeping that in mind along with their migratory tendencies, i am wondering 🤔 if it would be harful for the bug if i kept it in a tank in my house for the remainder of its life. The one i had in highschool sometimes acted like it was trying to get out of the tank 🙃. I had that one for at least a year before it died. This currant one hasn't shown any signs if trying to escape, but it's only been about a week or two. I beleive you take on the responsibility to give a critter the best life you can offer it once you take it as a pet. I want to help this bug have a healthy existance 🙂. Thanks for reading and responding if you can!
 

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Brewser

RebAraneae
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Would like to see/know more about Lethocerus in Your Keep...
Captivating Creature for Sure.
Best Regards to U Both,
 
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TheraMygale

Arachnoprince
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I just need to clarify, you don’t know the species?

did you try to narrow it down? The more I know, the more i can help. There are many videos online on how to provide hibernation. But with the specific full name, then i can get closer to the answers your are seeking.
 

fcat

Arachnoangel
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Hey neighbor. You are wrong, AZ is a horrible, terrible place and there are definitely no biodiverse hotspots or refuges for animals from all over the world to migrate here. I heard there used to be, but humans found them and ruined them, and all the animals had to leave. Even the new species they keep discovering, it’s weird. Just keep driving folks. (I have places I will take to my grave for this reason alone, yeah I’m selfish 😂)

Following bc I didn’t know we had migratory water bugs!
 

Appreciate Creation

Arachnopeon
Joined
Dec 2, 2024
Messages
3
I just need to clarify, you don’t know the species?

did you try to narrow it down? The more I know, the more i can help. There are many videos online on how to provide hibernation. But with the specific full name, then i can get closer to the answers your are seeking.
Unfortunately I do not know what species of Lethocerus it is. I don't currently know how to narrow that down. Do you know of any resources for this? Perhaps a dichotomouse key thaf can be found online?
 

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Arachnopeon
Joined
Dec 2, 2024
Messages
3
Would like to see/know more about Lethocerus in Your Keep...
Captivating Creature for Sure.
Best Regards to U Both,
Not sure what species it is. Like all giant water bugs, it is a very strong insect. I feed mine goldfish. It seems to prefer hanging out undercover as it used to hide primarily under the rock on the right side of the tank. However, it started hanging out on the side of the rock after i added vegitation which it seems to percieve as cover (makes sence, the bug is clearly designed to camoflauge in vegetation). It's primary feeding strategy is to sit and wait in ambush, however it will pursue prey when it makes sense to do so.

Giant water bugs are piercers. Their feeding appendage is a hollow needle for ingecting venom and digestive enzymes. They also use the needle for sucking up the liquified organs/tissue from inside their prey.

Here are some more photos. I've cycled through vegetation after ditching the plastic plant. Starting with elodea (not seen in photos) and then this new plant. Idk what it is.

1. & 2. Feeding

3. Flattened fish

4. Puncture marks in fish

5.Tank with new plant. Bug is on the side of the rock. I also added a nearite snail for algae maintenance
 

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