Vespe assassine
Scoperta una nuova vespa parassita dotata di una sega con cui tagliare il corpo dell’organismo che la ospita
In un nuovo documento pubblicato sulla rivista «Biodiversity Data Journal», i ricercatori della Penn State e del Natural History Museum di Londra riportano la scoperta della Dendrocerus scutellaris, una vespa più piccola di 3 millimetri di lunghezza che sfoggia una serie di spine dentellate lungo tutta la schiena.
Basandosi sull’anatomia della vespa, i ricercatori sospettano che si tratti di un endoparassitoide, ovvero di un tipo di vespa che depone le sue uova in un organismo ospite – spesso un bruco o un insetto adulto. Quando le uova si schiudono, le larve si nutrono dell’ospite dall’interno, fino a che non possono uscire – solo quando la riserva di cibo si esaurisce, le larve maturano nelle loro forme adulte.
La Dendrocerus Scutellaris non ha le mascelle a punta che sono utilizzate dalla maggior parte delle vespe endoparassitoidi per uscire fuori dai loro incubatori viventi, usa invece la struttura a forma di sega che ha sul dorso per farsi spazio ed uscire dall’organismo ospite – è possibile che la maniera in cui vengono usati i denti presenti sul dorso della vespa sia per sfregamento, come se fosse una vera e propria sega.
I ricercatori non hanno visto questo comportamento in natura, hanno scoperto gli esemplari di D. scutellaris nelle collezioni del Natural History Museum e li hanno dati alla Penn State che li ha esaminati e identificati.
Alcune altre specie del genere Dendrocerus erano state scoperte in precedenza e sono diversi i parassiti che vivono all’interno di afidi, hanno scritto i ricercatori. Questa specie di vespe, in particolare, oltre al pettine a forma di sega, ha anche un’antenna ramificata, che può aiutare a capire dove si trovano i compagni o trovare i potenziali ospiti.
Bebe
May I simply just say what a comfort to uncover a person that genuinely knows what they’re talking about over the internet.
You actually understand how to bring a problem to light and make it
important. More and more people should read this and understand this side of your story.
I was surprised that you are not more popular given that you certainly possess the
gift.
tinyurl.com
It’s in fact very difficult in this active life to listen news on Television, therefore I just use web for that purpose,
and get the most recent information.
tinyurl.com
Does your site have a contact page? I’m having problems locating it but,
I’d like to send you an email. I’ve got some ideas for your blog you might be interested in hearing.
Either way, great blog and I look forward to seeing it
grow over time.
tinyurl.com
obviously like your web-site however you have to take a look at the spelling on several of your posts.
A number of them are rife with spelling problems and I find it very bothersome
to tell the truth however I will definitely come back again.
tinyurl.com
I am curious to find out what blog platform you happen to be using?
I’m having some minor security issues with my latest site
and I’d like to find something more risk-free.
Do you have any suggestions?
bit.ly
Excellent weblog right here! Also your site quite a bit up very
fast! What web host are you using? Can I get your associate hyperlink in your host?
I want my web site loaded up as fast as yours lol
http://tinyurl.com
Thanks for ones marvelous posting! I actually enjoyed reading it, you may be a great author.I will remember to bookmark your blog and will come back at some point.
I want to encourage you to continue your great job, have a nice day!
http://bit.ly/3CWbIE8
Very descriptive article, I loved that bit.
Will there be a part 2?
how to find cheap flights
Thanks , I’ve recently been searching for info about this subject for
a long time and yours is the best I’ve discovered
so far. However, what in regards to the conclusion? Are you sure concerning the source?
airline tickets best price
I’m not that much of a online reader to be honest but your sites really nice, keep
it up! I’ll go ahead and bookmark your site to come back later.
Cheers
gamefly
Have you ever considered creating an e-book or guest authoring on other blogs?
I have a blog centered on the same ideas you discuss and would really like to have you share some stories/information.
I know my viewers would value your work. If you are even remotely interested, feel free to send me an email.
gamefly
I am curious to find out what blog system you are using? I’m having some minor
security issues with my latest blog and I’d like to find something more safe.
Do you have any solutions?
http://tinyurl.com/
Thanks for your personal marvelous posting!
I quite enjoyed reading it, you will be a great author.I will make sure to bookmark
your blog and will eventually come back later on. I want to encourage continue your great writing, have a nice
afternoon!
tinyurl.com
Very good blog post. I definitely appreciate this website.
Continue the good work!
sbo
… [Trackback]
[…] Find More on that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]
nova88
… [Trackback]
[…] Find More to that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]
สล็อต pg เว็บตรง
… [Trackback]
[…] Read More on to that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]
cambodian shrooms online Denver
… [Trackback]
[…] Find More on on that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]
สินเชื่อที่ดิน
… [Trackback]
[…] Read More Info here on that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]
quit drugs
… [Trackback]
[…] Read More to that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]
Changa DMT For Sale New South Wales
… [Trackback]
[…] Here you can find 32773 more Info on that Topic: ecoseven.net/canali/speciali/vespe-assassine/ […]