Praying Mantis Eats Its Prey at Lakeside Park, Mississauga

While out enjoying the migration of the Green Darners at Lakeside Park in Mississauga in September, I spent some time taking photos of various Skippers and Dragonflies. I soon learned to slow down and scan the tall grasses, asters, burdock and goldenrod plants around me before moving. Otherwise I would see a lovely Twelve Spotted Skimmer or cherry coloured Meadowhawk just a little too late to capture a photo. So when I saw a large brown lump on a stem I paused to look more closely: and discovered a Praying Mantis enjoying a haunch of grasshopper.

Photo of Meadowhawk On NaturalCrooksDotCom

[If you’re squeamish about such things, you may prefer not to read on as there are a few photos.]

Praying Mantis or Preying Mantis?

One of the first things I had to confirm before writing this article is whether these ‘stick and leaf’ shaped insects are called “praying” or “preying” mantises. They certainly do “prey” on other insects. However, when at rest, their arms do fold up in a sort-of “prayerful” way. I discovered that one type, the European Mantis religiosa, is specifically called the Praying Mantis but that many people use the same name for all types of Mantises.

Are Praying Mantis Native Insects in Canada?

Photo of Praying Mantis on NaturalCrooksDotCom

The mantis I was watching, a Mantis religiosa, is not native to Canada. There is one native mantis, but it’s only found out west in the southern Okanagan Valley, according to the Canadian Encyclopedia. The mantises in Ontario are a type that was accidentally introduced to North America over 100 years ago from Europe. They are also sold in North America as “natural” pest controls, in the same way that some types of ladybugs are sold. Praying Mantises are also popular pets.

What Was My Praying Mantis Doing?

My mantis was eating what was left of a large grasshopper. Unlike many predators, mantises eat just about everything on their prey. So while a Kestrel would likely strip off and drop the skinny ends of the grasshoppers legs, the mantis was eating it all.

Photo of European Mantis Grasshopper Haunch on NaturalCrooksDotCom

Given the very wide abdomen on my mantis, I suspect it was a female and that it was carrying eggs. Most “wild” mantises in Ontario lay their eggs in a frothy sac in fall. The sac quickly hardens into a papery mass. The young mantises hatch in the following spring.

Do Praying Mantises Fly?

While walking in the long grasses looking at the dragonflies, I startled many grasshoppers that flew a few yards before hiding again. I also twice startled something that had very large, pale tan translucent wings. After finding the mantis, I was left wondering do Praying Mantises fly? And if so, what do their wings look like?

First, I was able to confirm that Praying Mantises can fly. I was not able to find a photo or a video, though, of a European Mantis in flight, so I’m not sure what the wings look like. If I find out more later, I’ll update this article.

UPDATE: Experts at BugGuide.net provided these useful comments about flying mantises:
J. Stanard said, “This is an adult, gravid female. Hindwing color is dependent on species; M. religiosa’s are clear.”
and
P. Dennehy said, “Certainly a gravid female. Mantids generally have opaque forewings, but the hindwings, which are larger and used for flight, are mostly transparent or translucent. You can’t see the hindwings when they’re at rest, but when they fly past, they do give the impression of something with transparent wings. The only thing that looks like a mantis in flight if it’s only seen briefly is a katydid.”

Thanks to both of them for their helpful comments!

The Moral of the Story
I guess the moral of this story is that it pays to slow down and look closely if you want to see more. If I hadn’t been paying close attention, I would never have noticed this “dead leaf” was much more than that.

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