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California Pest Ratings - Invertebrates A, B, and C


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38 replies to this topic

#21 Offline Gregory2455 - Posted October 1 2015 - 2:16 PM

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You know one way to interpret the C rating is to remove ambiguity. If it's not on any of the lists, then it leaves the question of weather a specific species has been considered. If it has a C rating then you know how it's considered from a government perspective. I think when dealing with the government I'd rather have things clearly defined than to leave them to the arbitrary musings of a government official.

Granted

Regulations are designed to retard the spread or to suppress at the discretion of the individual county agricultural commissioner.

Is still a little ambiguous, but less so :)


It still makes literally no sense to put native species that are already everywhere and not really pests in any way onto it, whike I could name a few seriously invasive species that are not on the list at all.
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#22 Offline Huch - Posted October 1 2015 - 3:00 PM

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Ohhh

#23 Offline dspdrew - Posted October 1 2015 - 3:48 PM

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They did not get back to him. They came to him for selling S.invicta.

 

For listing them for sale.



#24 Offline William. T - Posted October 1 2015 - 4:46 PM

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Linepithema humile.

My point was why do they put the imfamous Argentine ant on C? It's quite destructive, and very common in Cali, and they put it in the "C" category.


Edited by William. T, October 1 2015 - 4:49 PM.

Species I keep:

 

1 Lasius cf. Neoniger 30 workers

1 Camponotus sp. 15 workers

20 Tetramorium SpE 30 workers

1 T. Sessile 200 workers

 


#25 Offline William. T - Posted October 1 2015 - 4:48 PM

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You know one way to interpret the C rating is to remove ambiguity. If it's not on any of the lists, then it leaves the question of weather a specific species has been considered. If it has a C rating then you know how it's considered from a government perspective. I think when dealing with the government I'd rather have things clearly defined than to leave them to the arbitrary musings of a government official.

Granted

Regulations are designed to retard the spread or to suppress at the discretion of the individual county agricultural commissioner.

Is still a little ambiguous, but less so :)


It still makes literally no sense to put native species that are already everywhere and not really pests in any way onto it, whike I could name a few seriously invasive species that are not on the list at all.

 

Exactly.


Edited by William. T, October 1 2015 - 4:48 PM.

Species I keep:

 

1 Lasius cf. Neoniger 30 workers

1 Camponotus sp. 15 workers

20 Tetramorium SpE 30 workers

1 T. Sessile 200 workers

 


#26 Offline Gregory2455 - Posted October 1 2015 - 5:00 PM

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Linepithema humile.

My point was why do they put the imfamous Argentine ant on C? It's quite destructive, and very common in Cali, and they put it in the "C" category.

 

My point exactly.



#27 Offline BugFinder - Posted October 1 2015 - 8:26 PM

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Do you just argue for fun?

 

No.  I argue to learn, and to facilitate understanding.  You should try "arguing to learn" sometime.  


“If an ant carries an object a hundred times its weight, you can carry burdens many times your size.”  ― Matshona Dhliwayo

 

My Journals:

Pogonomyrmex subdentatus

Camponotus Vicinus

Camponotus sansabeanus

Tetramorium (sp)

Pogonomyrmex Californicus

My Ant Goals!


#28 Offline kellakk - Posted October 1 2015 - 9:03 PM

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I understand their addition of some of these species to the C list.  For L. humile, treatment is ineffective on a large scale because of their resilience, quick breeding, and formation of supercolonies.  There's no point trying to prevent them from being spread as they already exist in huge numbers wherever there's cities in California.  Liometopum occidentale is actually an occasional structural pest since they nest in wood. P. californicus is simply added because they're common in southern California and their sting hurts.  It's silly, but I'm sure what happened is that someone was complaining and they added it to shut them up.

 

On the other hand, I don't understand some other additions, like Conomyrma bicolor and Conomyrma insana, which don't exist (old name for Dorymyrmex).


Current Species:
Camponotus fragilis

Novomessor cockerelli

Pogonomyrmex montanus

Pogonomyrmex rugosus

Manica bradleyi

 

 


#29 Offline dspdrew - Posted October 2 2015 - 5:46 AM

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Iridomyrmex humilis is on there too. :lol:



#30 Offline Gregory2455 - Posted October 2 2015 - 1:38 PM

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Dorymyrmex insanus is on there? I thought it would be on there. However, I still do not understand P.californicus. If what kellakk said is true, and that is the reason, that is a dumb reason because their sting hurts a lot less and the workers tend to be a lot more docile than for example, P.subnitidus. I have nithing to back this up but personal experience, but I see it too much anyway. Also the point in having a species C-rated is to aknowlege their presence, and that they may be dangerous, right? So how do native species get on there at all? there's nowhere for them to spread to where they could have been already since the last ice age, no?

#31 Offline dspdrew - Posted October 2 2015 - 1:57 PM

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We don't know their reasons for considering them a pest. Also, I thought P. californicus was one of the more painful of Pogonomyrmex.



#32 Offline Gregory2455 - Posted October 2 2015 - 3:17 PM

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Really? When I got stung it hurt a lot less than either P.rugosus or P.subnitidus.



#33 Offline gcsnelling - Posted October 3 2015 - 2:32 AM

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Sting response depends a lot of individual sensitivity and where  the sting occurs. For me P. rugosus has by far the worst sting compared to P. californicus or P. subnitidus. Although  P. californicus does have longer lingering effect.


Edited by gcsnelling, October 3 2015 - 2:44 AM.


#34 Offline BugFinder - Posted October 3 2015 - 11:11 AM

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We don't know their reasons for considering them a pest. Also, I thought P. californicus was one of the more painful of Pogonomyrmex.

 

I had heard the same thing, although I acknowledge that may have been from you lol.  I can't recall.


“If an ant carries an object a hundred times its weight, you can carry burdens many times your size.”  ― Matshona Dhliwayo

 

My Journals:

Pogonomyrmex subdentatus

Camponotus Vicinus

Camponotus sansabeanus

Tetramorium (sp)

Pogonomyrmex Californicus

My Ant Goals!


#35 Offline Gregory2455 - Posted October 3 2015 - 12:22 PM

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Sting response depends a lot of individual sensitivity and where  the sting occurs. For me P. rugosus has by far the worst sting compared to P. californicus or P. subnitidus. Although  P. californicus does have longer lingering effect.

Agreed. P.rugosus definitely has the strongest sting to me too.



#36 Offline Teleutotje - Posted October 4 2015 - 11:32 AM

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Not a very good list, or the Polyergus species they mentions doesn't exist or J. Trager missed a species.... And I think it's the first option... Polyergus rutescens????? in Europe we have P. rufescens, but in the U.S.A.???????????????????????????????????????????????


Edited by Teleutotje, October 4 2015 - 11:37 AM.

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#37 Offline dspdrew - Posted October 4 2015 - 12:49 PM

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Yes the whole list is obviously wacky like this State.


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#38 Offline SamKeepsAnts - Posted January 27 2017 - 10:42 PM

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don't get why they put pheidole morens and myrmecocystus there pheidole morens are the least destructive ant I have ever seen


Edited by SamKeepsAnts, January 27 2017 - 10:44 PM.

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#39 Offline SamKeepsAnts - Posted January 27 2017 - 10:48 PM

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And while including many native pheidole species they completely forgot to put pheidole megacephala in which is by far a more destructive pest and deserves to be an A


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