SCP-772 Giant Parasitoid Wasps | euclid | Parasitic / Species scp

Item #: SCP-772 Object Class: Euclid Special Containment Procedures: All SCP-772
specimens are to be contained in their 18 m x 18 m x 9 m enclosure, which is contained
within a 20 m x 20 m x 10 m hermetically sealed chamber located at Sector-07. A maximum capacity
of fifteen (15) specimens per this enclosure is advised, as exceeding this number could
result in heightened levels of SCP-772 aggression. This chamber is fitted with a pneumatic fluoridated
aluminum dispenser that may be activated remotely if an emergency euthanisation of SCP-772 is
necessary, resulting in the suffocation and incineration of all SCP-772 specimens. This
emergency euthanisation mechanism and all related equipment must undergo routine maintenance
checks to ensure adequate performance. The interval between maintenance checks is not
to exceed seven (7) days. SCP-772 eggs are to be stored in a well-lit freezer at a temperature
no higher than -10º C (14º F). Surplus/unwanted eggs are to be incinerated immediately and
the resulting debris must be examined for any signs of life. If signs of life are present
a second round of incineration is authorised. The same procedure should be applied to all
expired/unneeded subjects who are, or could possibly be, SCP-772 hosts. NOTE: Personnel intending to use SCP-772 for
purposes not qualifying as research-oriented must obtain O5 authorisation. – Dr. Woodside Description: SCP-772 is a wasp of unknown
species, superficially resembling members of the Megarhyssa genus. A mature adult is
typically 60 cm in length, from head to abdomen, excluding antennae and ovipositor. This barbed
ovipositor, reaching a length of up to 70 cm, is used to penetrate its host and deposit
anywhere from 5 to 20 eggs. Eggs are typically 6 cm long and 2.5 cm in diameter. SCP-772
is meticulous and almost surgical during oviposition: it makes an incision no longer than 3 cm,
and the host is paralysed and/or comatose for several hours until the wound can heal
sufficiently. Injected along with the eggs is a polydnavirus uniquely adapted to suppress
the immune system of mammals, analogous to the smaller parasitoid wasps which do the
same to their caterpillar hosts. Female specimens of SCP-772 pose a significant
safety hazard, as the ovipositor is extremely sharp and manoeuvrable. When threatened, females
will use this organ as a weapon and stab the offender repeatedly. While these wounds are
not always fatal, they have been reported to be acutely painful, and cases of bone penetration
have been documented. Although caution should be exercised around all specimens of SCP-772,
males lack the ovipositor which serves as the female’s weapon and method of host infiltration. Females are capable of reproducing asexually
via thelytokous parthenogenesis and will do so in the absence of males. SCP-772 requires
a warm, dark, nutrient-rich cavity in which to lay its eggs. It habitually deposits eggs
in the abdominal subcutaneous fat of large mammals, but has been known to utilise subcutaneous
fat in other regions, including the shoulder, back, hip, thigh, and [DATA EXPUNGED]. See
extensive testing conducted on D-class personnel in Document [ADDITIONAL CLEARANCE REQUIRED].
SCP-772 eggs have an incubation period of 4 to 12 days, and length of incubation period
is speculated to share an inversely proportional relationship with levels of host stress hormone.
Upon hatching, SCP-772 larvae begin their consumption of host tissue, gradually working
their way into the depths of the host’s body. The larvae may be easily mistaken for abscesses/tumors,
but as SCP-772 progresses away from the hypodermis, it appears to the observer that said abscesses/tumors
are diminishing of their own accord. SCP-772 was discovered on the fourth of ████, 19██,
when Professor ████████, a noted entomologist of ███████ University,
was found disemboweled and partially devoured on his bathroom floor. Several adult SCP-772’s
were found feeding on his remains and that of his two cats, indicating that SCP-772 is
carnivorous even after pupation. Interviews with his colleagues revealed that Professor
████████ had apparently returned from the Azores islands about two weeks before
his death. He did not contact anyone following his arrival in the U.K. and did not return
to the university. Professor ████████ had been conducting research in remote areas of
the Azores for months at a time and had little contact with anyone during his absence. He
recorded data and personal reflections in a series of journals, two of which were found
on-site. Relevant and/or noteworthy excerpts have been transcribed and included for post-mortem
analysis. Journal 772-B: Page 52 12/██/19██
Finally, after months of fruitless searching and conducting the same mundane tests on local
vegetation and perfectly ordinary insect life, I have found something. And it could be a
discovery the likes of which I have sought after all my life. Something undocumented,
something unheard of. That rare moment which I’m sure Steller and Darwin and all the
rest took for granted, the feeling that you might actually be witnessing something new.
Well, not new. Something ancient, really, but new to human eyes, looking back in time,
or into the future of natural selection. It’s like what Arthur Conan Doyle or Jules Verne
wrote about in their stories, only it’s bloody real. Lord, I know I’m a scientist,
but even George would be excited about this. You see this George? I hope by the time you
read this lovely little memento I’ve won an award I can wave in your face. Passion
and dedication matter, it’s not just about lab work! It’s about risking malaria and
dysentery and sleep deprivation and even death. I daresay it’s all worth it now. Those larvae
are at least ten centimetres long! Page 58 13/██/19██ I’ve taken the carcass back to my campsite.
It may not be entirely hygienic to keep about, but this will allow me full-time observation
of the larvae. I almost feel guilty dragging the thing back here, but there’s nothing
for it. Reminds me a bit of how I felt back in my undergraduate studies, when I didn’t
want to drown those helpless rats. Ah well. This fellow was already dead, and must have
been for some time without anyone going to look for him. Page 60 15/██/19██ I’ve examined it all very closely, and it
seems I’m fortunate to have stumbled upon the larvae at all. They’ve all retreated
as deep as they can within the body, seeking the darkest, tightest nooks and crannies,
as if prematurely exposed. And I’ve folded the skin back into place, at least what’s
left of it, and now I see he’s split open by a very even, clean-cut slash. The larvae
weren’t the ones responsible for the wound, a knife was, or some sort of blade. I’m
going to be well pissed off if this corpse is a piece of murder evidence. I don’t think
they bother with that sort of thing as much out here, but I’m going to make certain
no one finds this body. Not about to lose my discovery. Page 75 21/██/19██ They’re in cocoons now, and I think my original
suspicion is correct, they’re some sort of ichneumonoid. [Text scribbled and illegible.]
Although this is fairly uncharacteristic of me, I’m spending more energy on worrying
than data collection. I returned to the place I found the body originally, and what do you
know, the murder weapon sitting right there. I hadn’t noticed it before. It’s a big
machete, still has dried blood on it. I’m frightened because if anyone finds me, they
might think I killed him, and then I might not be the one awarded all the recognition.
Definitely not contacting the authorities. Well, can you blame me? One murder investigation
is nothing compared to the implications this wasp has for science. Page 82 7/██/19██ It’s been a fortnight already, I’m dying
of anticipation, and it’s not exactly smelling like roses in camp with this corpse lying
about. When will the buggers pupate? Page 85 15/██/19██ Good lord I’m thrilled! I feel like a proud
father, they’ve finally emerged. Luckily I’d constructed an enclosure around the
carcass a week ago, because they’re bloody ENORMOUS. This is of truly prehistoric calibre.
They’re colourful, yellow and red, positively stunning. Their exoskeleton is unlike any
I’ve ever encountered. When they fly against the walls of their enclosure, the wire actually
bends, and it’s really thick wire, too. They use such force and don’t seem to suffer
any injuries, the exoskeleton must be extraordinarily tough. And the ovipositor of the females is
incredible. 60-70 cm, if you can believe it. But I can’t record all this in two places,
consult my data notebook. Page 89 18/██/19██ Rather worried, nights have been particularly
windy as of late, and they have finished off the corpse. Confound it, I don’t know how
it’s possible, but they’ve eaten the hair and bones. They act with extreme aggression
toward anything that moves, including myself, and the thudding as they bang against the
walls is becoming rather unnerving. [This portion of text stricken out] I don’t honestly
know how much longer the enclosure will hold [End portion of stricken text] I’m surprised
the enclosure has held up this long, especially with the wind blowing like this. I don’t
know what to do. I can’t risk losing them, but if I leave to get help in town, they could
break free while I’m gone and they’ll be gone forever and [Text scribbled and illegible.] Page 91 11/██/19██ Fuck. Bloody fuck, [Erratic scribbling across
several pages, at times so forceful the pages are torn.] Well damn it all, I have some written
data and some photographs, sketches and things, but it’s all rubbish compared to the real
thing, isn’t it? I suppose I’m lucky I survived, but the devil can take me for all
I care, because I’ve lost my evidence and now no one will believe me, they’ll say
I’m mad, tampered with a photo of an ordinary wasp. I feel ill just writing this, and not
only because I’ve lost the discovery of a lifetime, I seem to have contracted some
wretched disease there, either from the water or from contamination from the bloody corpse,
or from mosquitoes, or parasites, or who knows what the devil [Text scribbled and illegible.]
Vomiting, stomach pains and chest pains the likes of which you cannot imagine, I suppose
whatever I’ve come down with has only exacerbated my acid reflux. It would have been better if I could have
killed them all, so no one else could find them, but can you believe my pistol wasn’t
enough? Thud, bloody thud, I heard the bullets flatten as they struck, completely useless.
I woke up in the middle of the night and my side was aching and the enclosure was just
a pile of wood and wire and the air was alive with humming. I grabbed this journal and jumped
into my truck, but I don’t know how I managed to escape. I just remember shooting as I ran,
and even inside the truck they punctured the glass. I saw stingers, huge and thick at one
end, fine and sharp as needles at the other, jabbing just inches from my face, wings beating
wildly against the windows as the glass weakened and cracked. I nearly crashed into a dozen
trees trying to find the path leading to the road, but I found it. To think I cleared that
path because I was too lazy to walk to the road. It saved my life. At some point I heard
a sickening noise and my stomach churned, but I managed to duck my head below the steering
wheel. I was showered with glass and was stabbed a few times on my back and arms, by both shards
and stingers, but I put the pedal to the floor and I managed to outpace the wasps. Bloody
poetic. Now I can be a fiction writer instead of a God-damned world-renowned scientist [Text
is scribbled manically; illegible.] Page 95 20/██/19██ I don’t want to believe it, but I can’t
sleep at night and I know why I feel this way. How could I not know? It should have
been obvious earlier on, and I considered the possibility, but I didn’t want to write
it down and admit it might be happening. If it truly is happening, and I go to hospital,
I could die on the table, and someone else might take the credit for discovering them.
I think it is happening, though, I’m taking loads of painkillers each day now and drinking
myself silly. [Text scribbled and illegible.] It is happening, you dim-witted sod. Lord,
the pain, the pain, remember me as a weeping child but know that humans are not meant to
endure this pain. Page 97 22/██/19██ I discovered them, they are MINE, I will DIE
for science but not in OBSCURITY. Name them after ME, YOU did not bear them like children
you pathetic, spineless [DATA EXPUNGED]. Page 144 27/██/19██ Wasn’t murdered, cut himself open. Me too. Addendum 772-01: After conducting numerous
tests on SCP-772’s larval stage, we have concluded the following: Larvae are sensitive to bright light and temperatures
lower than 21º C (70º F). When confronted with either for a prolonged period of time,
the organism retreats into a state of deep hibernation and near-death. It is able to
live for months at a time in this manner, possibly indefinitely, until conditions once
again prove favourable for its development. Larvae saliva contains a digestive enzyme
which aids in the decomposition and consumption of host tissue.
Larvae respond positively to host stress hormone, exhibiting increased energy levels, accelerated
consumption rate, and expedited growth. Addendum 772-02: After conducting numerous
tests on SCP-772’s adult stage, we have concluded the following: When given the choice between a live cow and
a human corpse, SCP-772 deposits its eggs in the live cow 100% of the time. Whether
the larvae require living tissue to survive or the choice is merely preferential on the
part of the mother is not yet known. When given the choice between a live cow and
a live human, SCP-772 deposits its eggs in the live human 84% of the time, tapping its
antennae vigorously against both subjects’ skin before making a decision.
SCP-772 will do the same when confronted with several human subjects, sometimes performing
its “tapping ritual” up to five times on each individual. The criteria for which subject
SCP-772 selects are not yet known, but there seems to be a correlation between its preference
and [CLEARANCE LEVEL 3/772 REQUIRED]. Further research is planned. NOTE: Spheksophobic D-class
personnel may prove instrumental in SCP-772 data collection. – Dr. Woodside
SCP-772 appears to be carnivorous, and in resource-deficient environments, cannibalistic.
Males will attack and kill small mammals (e.g., rabbits, cats) but mainly scavenge whatever
remains they can find, including larger prey items killed by females. SCP-772 males can
be seen “swarming” to the location of a female’s kill, and she may tolerate their presence
(in limited numbers). When a critical threshold has been reached, she will attack the males
until they retreat, sometimes killing and eating individuals too slow to escape. Consult
Document 772-11W for more information and hypotheses concerning SCP-772 intraspecies
interaction. Both sexes are highly resilient to firearms,
incendiary devices, and insecticides. Asphyxiation by oxygen-deficient air has proven uniformly
successful. Microscopic analysis has revealed that the
exoskeleton is not primarily chitin, as with other insects, but a complex matrix of chitin,
hydroxyapatite, and a fullerene hitherto undocumented. Further research is planned.

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