If you look from afar, it looks like the Pelecinids have a huge stinger. So, do American Pelecinid wasps sting? Let’s find out!
The American pelecinid wasp belongs to the family Pelecinidae and is a new world wasp. This little insect can appear to be scary with its long, curled, stinger-like organ.
[sc name=”bugquiz”][/sc]But in reality, it’s a curled abdomen and not a stinger.
American pelecinid wasps don’t sting. Their curled abdomen acts like a faux stinger when ambushed or attacked, as they may simply jab it against the predator.
However, these insects are not poisonous and will not sting.
What Are American Pelecinid Wasps?
American pelecinid wasps are parasitoid wasps belonging to the superfamily of Proctotrupoidea and Pelecinidae. They are the only species to fall under the genus Pelecinus.
Parasitoids should not be confused with parasites. They’re somewhere between parasites and predators.
While parasites keep their host alive, parasitoids kill the host tissue to survive.
An interesting point of information is that most of the APW population occurring in North America is female.
Male APWs are almost non-existent. Female wasps do not need a mate to reproduce.
They breed through a method called parthenogenesis, where eggs do not need to be fertilized to develop an embryo.
What Do They Look Like?
The American pelecinid wasps (APWs henceforth) are black in color, thin, and have a glossy appearance with very long antennae.
While female APW grows up to two and a half inches in size, the male adult wasp grows only upto an inch.
A distinct thing about their appearance is their long, curled abdomen that looks like a stinger or a tail.
Despite their relatively small size, the abdomen of female wasps is almost five times their body size.
They use this to deposit eggs directly on the host. The abdomen of male wasps is shorter than that of females. APWs also have short wings and are slow flyers.
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Where Are They Found?
Geographically, APWs are widespread across North America as well as Central and South America.
In the North, they are spotted across the eastern states and east of the Rocky Mountains. They’re also commonly found in Canada and Argentina.
As far as their habitat is concerned, these shiny black wasps inhabit open fields, grasslands, forest edges, woodlands, and gardens. They’re usually found on the forest floor as they tend to fly closer to the ground. APWs are also found in deciduous forests.
What Do They Eat?
The adult wasp feeds on pollen, nectar, and water. This is why you will often notice APWs inside flowers and in gardens. They’re a herbivore species of wasps.
Their larvae, however, are parasitoids and feed on their host. When it’s time to lay eggs, female wasps will fly close to the ground and lay the egg on June beetle larvae, i.e., white grubs.
They do so with the help of their curved abdomen.
Once the larva hatches, it feeds on the grub until it dies. At this point, the immature wasp will continue to feed on the grub tissue till it pupates in the same soil.
Are American Pelecinid Wasps Dangerous?
American pelecinid wasps are not dangerous as far as species of wasps go. Their appearance is scary with their curled black abdomens that look like a long stinger.
But these are harmless wasps.
Adult APWs are herbivores and live on a pollen, nectar, and water diet.
Do They Sting/Bite?
As discussed above, American pelecinid wasps do not have stingers. They have a curled abdomen used to deposit eggs and act as faux stingers to scare predators.
At most, they may use the abdomen to push a predator or threat away. But beyond that, they are not capable of biting or stinging.
Are They Poisonous Venomous?
No, American pelecinid wasps are not poisonous or venomous. Their abdomen is actually the long, narrow organ resembling a stinger or a tail.
And since they have no proper stinger, there is no way for them to deposit any kind of poison or venom.
Are American Pelecinid Wasps Beneficial?
American pelecinid wasps play a dual ecological role in the environment. One is controlling insect pest populations carried out by the wasp larvae.
Second, they play the role of pollinators once they mature into adult wasps.
Let’s take a more detailed look at these two roles.
American pelecinid wasps are beneficial in controlling the populations of June beetles.
The white beetle grubs feed on the roots of plants and can pose potential issues in the crop and grass systems.
The female wasps track down the white grubs of June beetles and lay their eggs on them.
The pelecinid wasp larvae are parasitoids that feed on the exoskeleton of the beetle grubs and feed on it till it dies.
And it’s not limited to June beetles. Parasitoid wasps are essential in naturally controlling the population of insect pests.
They lay eggs on top of arthropods and cause their death by feeding on them.
In their second role as pollinators, once the larvae mature into adult wasps, they step into their essential role in pollination, like bees and butterflies.
Frequently Asked Questions
Do Pelecinus polyturator bite?
American Pelecinid Wasps do not generally bite humans, and they even appear to avoid human disturbance.
However, they will bite if they feel threatened or come into contact with skin. Their venom is not deadly, although it can cause discomfort and swelling.
It is best to leave them alone if you spot them around your home, as they are beneficial creatures that help reduce garden pests.
Where is the American Pelecinid wasp found?
The American Pelecinid wasp is found in most parts of the United States and Canada, as well as parts of Mexico and Central America.
It prefers dry, arid regions with little vegetation or water. In particular, it is commonly found in desert-like environments such as cactus-rich areas, roadsides, and urban centers.
This species of wasp is part of the spider wasp family and can be identified by its black body and long abdomen, which looks like a stinger.
What is a scorpion wasp?
Scorpion wasps are a family of insects well known for their spectacular morphological structure, with the ability to paralyze or even kill their prey before eating it.
These wasps have venomous barbed stingers and vary in size from 10-45 mm long. They come in a range of colors, from black to yellow and red, depending on the species.
The larvae feed on paralyzed arthropods that are brought back to the nest by their mothers.
Adult wasps feed mainly on flower nectar and are important pollinators within their ecosystems.
What does a scorpion wasp look like?
The scorpion wasp is a metallic black or blue colored, medium-sized insect with some yellow markings.
Its wings are long and narrow, and it typically measures about one inch in length.
It has two long, curved antennae as well as two pairs of short and stout legs which give it the appearance of a small crab or crayfish.
Its most notable feature is its large stinger located near the end of its body which can be used to paralyze prey before consuming them.
The scorpion wasp is an impressive and remarkable species.
Wrap Up
American pelecinid wasps are a harmless species of wasps. They have a long narrow organ that looks like a stinger but is an elongated abdomen.
The females use the curled abdomen to lay eggs during the breeding season.
In the absence of a proper stinger, these wasps are not capable of biting or stinging.
Thank You.
