@Rob_le_Pest hello! We’ve had chewing over our bed for a couple of years, we treated with xylophene and knew we just had to wait it out. Yesterday this dropped dead into DHs bedside table. Is it a Capricorn finally munched through the killer layer???
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I didn’t think the adults ate wood and the larvae only eat living wood not dead.
Oh, and they are protected.
I’ll give you a B+ for that! 
Point 1. Yes correct.
Point 2 (me being pedantic) all wood in the house is technically dead, capricornes are happy eating untreated ‘house wood’
Point 3 (thick foggy/grey/pedantic with a dash of sauf-que) Yes, there are many subspecies of capricorne aka longhorn beetle, the majority are protected. The sauf-que comes with the right to bear arms/bear arms/bare arms. One can defend, with reasonable force, one’s château.
Point 4, tip of the day; Many critters, including longhorn beetles are carried into the house by humans and their fire logs. That’s why one should hever have more than 2 fires’ worth of wood in the house. Barbecued woodlouse anyone?!
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Praise indeed 
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Woohoo, it certainly looks longhorn beetleish to me!
But there are many varieties. Have a look up at the wood and see if there is a fresh hole that it could have dropped out of. Also see if there are others falling to theis demise in the next few weeks.
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Thanks Rob!
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Hello,
I have specific question regarding my dog… maybe someone can help?
I am planning to treat the infestation in a wooden parquet ( almost for sure it is Common Furniture Beetle) with xylophene sor 2 injector. I am planning to apply it to the holes in the floor and leave the house for 36 hours and take my dog with me. Unfortunately, my dog has a habit of licking the floor… can it be dangerous after we come back? Is it better to leave the house for more time? or to mop the floor with water before letting the dog inside the house?
also, is it better to spray all the surface or injecting in the holes is enough and safer for the dog?
Thank you very much for in advance!
Welcome to SF
I flagged our resident pest expert for you. @Rob_le_Pest
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Hello, Xylophene (trademark) is toxic to animals and houseplants when applied and wet. Once absorbed into the wood and dried it should pose no threar, however you chould keep an eye on your dog’s floor licking for about 48 hours after treatment.
Hope that helps 
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Thank you very much! I also emailed manufacturer and they recomended, besides letting it dry (they mentioned at least 8 h, but I did 48 h) to mop the floor with water and soap, to take out any remaining leavings, and everything went well! However I only applied inside the holes, as was not sure if it worth spraying the floor that has varnish and they said that this way it is not very efficient, that I should take out the varnish and apply to all floor, which envolves as diferent logistics (moving away all the furniture and etc.). Hopfully I can make it work with several reaplications inside the holes … Thank ypu once again for your help!
Applying 10 coats does not make the wood 10 times more protected, it just means that you have wasted 8 coatings. As we (I/me/je) say, ‘money saved is wine drunk’ 
The reason I recommend spraying is that the spray is fine globules and can enter cracks and crevices better than a paintbrush, in my opinion, however, do not use ULV/fogging, as that will break down the composition.
Happy to help as always!
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