Flies Pollinate, Too!

Unknown fly nectaring on Hamamelis mollis at a local nursery

Yes, I did say flies! Those pesky, annoying creatures that buzz around our heads and food are excellent pollinators.

Unknown fly nectaring on Hamamelis vernalis

I’ve been hoping to capture at least one photo of a winter pollinator visiting the Hamamelis vernalis at Clay and Limestone. It’s been my quest to discover if there is a specialized pollinator. What a surprise to see flies! Not anything special either. They look like, your regular old houseflies, too. But, there they were on a warm February day, nectaring on (and hopefully carrying a bit of pollen to the next flower) the only blooming plants in my garden~the native witch hazels.

True Flies only have two wings

Dipteras, the two winged insect group named by Aristotle, is large~with over 140,000 species world wide! Although, many members of this group are real pests (gnats midges and mosquitoes), many have ecological and human (medical and economic) importance.* Entomologists can and do spend their entire careers studying one or two families! For today’s post, we’ll just take a superficial look at those critters most likely to visit our gardens! (Forgive me, please, but, I do have to use the word maggot!)

Hover Fly on Gaura

Flies~have a holometabolous life cycle. Which means they have complete metamorphism from egg to larvae/maggot to adult. They live in water, soil, plants, the sea, streams, lake, rivers, animals and even other insects. They are opportunists and will eat almost anything. That’s one of the reasons they are SO important for our gardens…their voracious appetites!

Flower Fly on monarda

My favorite fly pollinators are the Syrphid Flies. I know you’ve noticed them. They are those beautifully patterned critters that we see hovering and darting about the garden. They’re known as Flower Flies in the US and Hover Flies in the UK. They’re stingless bee and wasp mimics, so, you don’t need to be afraid of them. They are excellent pollinators and their larval stage is equally important. They eat aphids, scale and other soft bodied garden pests! If you see Hover Flies hovering and darting about~look nearby for their larvae. (I know, there’s that word again!)

Look for their white, oval eggs, singly or in groups on leaves. They’ll hatch into green, yellow, brown, orange, or white half-inch maggots that look like caterpillars. You might even see them raised up on their hind legs in order to catch and feed on aphids, mealybugs and even some beneficial bugs.

They are beautiful creatures and I am always excited to find them hovering and darting about. Their presence assures me that the garden has a good mixture of plants to attract them and other beneficial insects.

One pair of wings and a honeybee mimic

To attract them to our gardens we can plant a variety of annual, herbs and native perennials. Achilleas, asters, dill, lemon balm, spearmints, monardas, penstemons, veronicas, zinnias, thymes, sedums, sweet alyssums, fennels, buckwheat, and lavenders are just a few of the many plants you can choose to make your garden a haven for all pollinators. (source and list of flowers to plant).

But, back to flies!

Generally speaking~flowers that are pollinated by flies and gnats have similar characteristics. The arum (below) is a perfect example of a flower that has evolved specifically to attract them. Its rotting flesh ‘fragrance’ was wafting across the David-Peece garden during our Austin Spring Fling visit in 2008.

This arum smells like rotting flesh to attract its pollinator flies and beetles!

Characteristics of fly attractive flowers are generally~

• Pale and dull to dark brown or purple
• Sometimes flecked with translucent patches
• Putrid order, like rotting meat, carrion, dung, humus, sap and blood
• Nectar guides not present
• Produce pollen
• Flowers are funnel like or complex traps (source)

True flies on fall blooming Crocus speciosus

Personally, I’ll pass on the exotic and smelly fly magnets! Houseflies, Green Bottle Flies and even Blow Flies are welcome to stop by for a bit of nectar and to pollinate the winter blooming hamamelis. I’ll continue to plant for all visiting pollinators~I pinky swear: to plant a diversity of flowers that bloom from early spring to late fall; to provide water; to leave a bit of bare ground; to plant natives and species when I can; and, to never, ever, ever, use pesticides.

xxoogail

This post is part of a series on native pollinators in the garden~ Earlier posts and their links are listed below for your convenience.

Part I~Now Is The Time To Bee-gin Thinking About Bees ( here)
This Is The Place To Bee ( here)
If You Could Plant Only One Plant In Your Garden~Don’t (here)
Must Bee The Season of The Witch (here)
Go Bare In Your Garden (here)

Other bee posts you might want to read~
Count Yourself Lucky To Have Hoverflies (here)
Bumblebee Hotel (here)
Still Taking Care Of Bzzness (here)
My Sweet Embraceable You (here)

*Oh my~Blowflies are important in forensic science; their maggots are being used in medical research on wounds; and, they’ve also been introduced in a greenhouse experiment to see how well they can actually pollinate.

This post was written by Gail Eichelberger for my blog Clay and Limestone Copyright 2011.This work protected under the Digital Millennium Copyright Act. Please contact me for permission to copy, reproduce, scrape, etc.

Related Posts:

• Spring / Fall Clean Ups

Flies Pollinate, Too!

Unknown fly nectaring on Hamamelis mollis at a local nursery

Yes, I did say flies! Those pesky, annoying creatures that buzz around our heads and food are excellent pollinators.

Unknown fly nectaring on Hamamelis vernalis

I’ve been hoping to capture at least one photo of a winter pollinator visiting the Hamamelis vernalis at Clay and Limestone. It’s been my quest to discover if there is a specialized pollinator. What a surprise to see flies! Not anything special either. They look like, your regular old houseflies, too. But, there they were on a warm February day, nectaring on (and hopefully carrying a bit of pollen to the next flower) the only blooming plants in my garden~the native witch hazels.

True Flies only have two wings

Dipteras, the two winged insect group named by Aristotle, is large~with over 140,000 species world wide! Although, many members of this group are real pests (gnats midges and mosquitoes), many have ecological and human (medical and economic) importance.* Entomologists can and do spend their entire careers studying one or two families! For today’s post, we’ll just take a superficial look at those critters most likely to visit our gardens! (Forgive me, please, but, I do have to use the word maggot!)

Hover Fly on Gaura

Flies~have a holometabolous life cycle. Which means they have complete metamorphism from egg to larvae/maggot to adult. They live in water, soil, plants, the sea, streams, lake, rivers, animals and even other insects. They are opportunists and will eats almost anything. That’s one of the reasons they are SO important for our gardens…their voracious appetites!

Flower Fly on monarda

My favorite fly pollinators are the Syrphid Flies. I know you’ve noticed them. They are those beautifully patterned critters that we see hovering and darting about the garden. They’re known as Flower Flies in the US and Hover Flies in the UK. They’re stingless bee and wasp mimics, so, you don’t need to be afraid of them. They are excellent pollinators and their larval stage is equally important. They eat aphids, scale and other soft bodied garden pests! If you see Hover Flies hovering and darting about~look nearby for their larvae. (I know, there’s that word again!)

Look for their white, oval eggs, singly or in groups on leaves. They’ll hatch into green, yellow, brown, orange, or white half-inch maggots that look like caterpillars. You might even see them raised up on their hind legs in order to catch and feed on aphids, mealybugs and even some beneficial bugs.

They are beautiful creatures and I am always excited to find them hovering and darting about. Their presence assures me that the garden has a good mixture of plants to attract them and other beneficial insects.

One pair of wings and a honeybee mimic

To attract them to our gardens we can plant a variety of annual, herbs and native perennials. Achilleas, asters, dill, lemon balm, spearmints, monardas, penstemons, veronicas, zinnias, thymes, sedums, sweet alyssums, fennels, buckwheat, and lavenders are just a few of the many plants you can choose to make your garden a haven for all pollinators. (source and list of flowers to plant).

But, back to flies!

Generally speaking~flowers that are pollinated by flies and gnats have similar characteristics. The arum (below) is a perfect example of a flower that has evolved specifically to attract them. Its rotting flesh ‘fragrance’ was wafting across the David-Peece garden during our Austin Spring Fling visit in 2008.

This arum smells like rotting flesh to attract its pollinator flies and beetles!

Characteristics of fly attractive flowers are generally~

• Pale and dull to dark brown or purple
• Sometimes flecked with translucent patches
• Putrid order, like rotting meat, carrion, dung, humus, sap and blood
• Nectar guides not present
• Produce pollen
• Flowers are funnel like or complex traps (source)

True flies on fall blooming Crocus speciosus

Personally, I’ll pass on the exotic and smelly fly magnets! Houseflies, Green Bottle Flies and even Blow Flies are welcome to stop by for a bit of nectar and to pollinate the winter blooming hamamelis. I’ll continue to plant for all visiting pollinators~I pinky swear: to plant a diversity of flowers that bloom from early spring to late fall; to provide water; to leave a bit of bare ground; to plant natives and species when I can; and, to never, ever, ever, use pesticides.

xxoogail

This post is part of a series on native pollinators in the garden~ Earlier posts and their links are listed below for your convenience.

Part I~Now Is The Time To Bee-gin Thinking About Bees ( here)
This Is The Place To Bee ( here)
If You Could Plant Only One Plant In Your Garden~Don’t (here)
Must Bee The Season of The Witch (here)
Go Bare In Your Garden (here)

Other bee posts you might want to read~
Count Yourself Lucky To Have Hoverflies (here)
Bumblebee Hotel (here)
Still Taking Care Of Bzzness (here)
My Sweet Embraceable You (here)

*Oh my~Blowflies are important in forensic science; their maggots are being used in medical research on wounds; and, they’ve also been introduced in a greenhouse experiment to see how well they can actually pollinate.

This post was written by Gail Eichelberger for my blog Clay and Limestone Copyright 2011.This work protected under the Digital Millennium Copyright Act. Please contact me for permission to copy, reproduce, scrape, etc.

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• Spring / Fall Clean Ups

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All this garbage that people are trying to get rid of can be a better supplement for your garden than any fertilizer or chemical. If you properly facilitate the decomposition of all of the garbage, it will alter chemically until it is in such a state that it can be nothing but beneficial nutrition for other plants. Therefore you can turn all the stuff you would have thrown away into top grade fertilizer for your garden.

Usually compost is maintained in a pile somewhere in your backyard. Usually the thought of a compost heap brings disturbing images to ones mind; heaps of rotten garbage emitting a horrid odor. However, if you maintain it correctly you’ll be able to produce great compost without producing an offensive odor. When I first began my compost pile in an effort to improve environmental health, I made several major errors. These included preventing the pile from the oxygen it truly needed, and keeping it to dry. It ended up decomposing in a very non-beneficial way, and producing an odor so foul that I had government agents knocking at my door.

When you are choosing your spot where you will be putting all of these materials, you should aim for a higher square footage. Having a really deep pile of compost is not a good idea, because generally the deeper sections won’t be exposed to anything that is required for the process to work. It is better to spread it all out over a large area. If you have a shed or a tool shack of some sort, it is a possibility to spread it over the roof (with boards to keep it from falling off, of course). I have seen this done several times, and it helps keep the pile out of the way while still maintaining a large square footage.

A compost heap can consist of any organic garbage from your yard, garden or kitchen. This includes leaves, grass, any leftover food that won’t be eaten, or newspaper (no more than a fifth of your pile should consist of newspaper, due to it having a harder time composting with the rest of the materials). Usually if you have a barrel devoted to storing all of these things, it will fill up within several weeks. It is quite easy to obtain compost, but the hard part truly comes in getting it to compost.

After you have begun to get a large assortment of materials in your compost heap, you should moisten the whole pile. This encourages the process of composting. Also chop every element of the pile into the smallest pieces possible. As the materials start to compress and meld together as they decompose, frequently head outside and aerate the pile. You can use a shovel to mix it all up, or an aeration tool to poke dozens of tiny holes into it. Doing this will increase the oxygen flow to each part of the pile, and oxygen is required for any decomposition to take place.

If maintaining a compost pile sounds like something that would interest you, start considering the different placement options. The hardest part about maintaining a pile is choosing a spot that provides enough square footage without intruding on the rest of your yard or garden. While usually you can prevent the horrible odors that most people associate with compost heaps, it’s still not a pleasant thing to have to look at whenever you go for a walk in your garden.

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