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Pollination by a dronefly
Wild "canola" flowers (Brassica rapa) and a nectar drinking
hoverfly. In this case it is a male of the tapered dronefly (Eristalis pertinax). The anthers of the flowers are touching the hoverfly while it is nectar drinking. Droneflies look like honeybees, especially the male drones. It has the same size and the same proboscis length.
The pollen on the insect (the small yellow dots) will be transported to the next flower where it will be deposited on the stigma. In the visited flower the stigma is the small nob next to the proboscis. The pollen deposition is quite precise, it happens only on certain parts of the insect. This contributes to make it an effective pollinator.
In the flower in the left upper corner a green dot at the bottom of the flower is visible. This is one of the 4 nectar glands each flower provides.
In the population where I took the image, different Eristalis species were the main pollinators of this plant species. This population were situated along a rail road in a city in the middle of the Netherlands.
Many people think, that honeybees and bumblebees are the main pollinators of flowers. But for wild plants very different insects and also flies can play an important role. It is good visible in this image that the length of the flower's anthers and the length of the proboscis of the dronefly match roughly in their size. The fly was also visiting many flowers. Both are an important prerequisite for an effective pollination process.
It was a really hot and sunny day today, but suddenly started raining. So I took the D300 out and tried to shoot some waterdrops and flowers without a flash to see if the sunny day would provide enough light. These pictures are the result of that test.
Agave desmettiana being visited by bats at the campus of Universidade Estadual de Feira de Santana, Bahia - May 15, 2012
It's an early bloomer and continues to bloom for months so it's good for the pollinators! It freely seeds and can become invasive if not kept under control. Little tiny daisies on top of tall (up to 40") stems - the little flowers make me smile as they just look happy!
Thursday = GREEN
Color My World Daily
Pollinators help provide resources essential to the quality of life on our planet including habitat, clean air, food, soils and biodiversity. The Bureau of Land Management invites you to celebrate "Pollinators Week" (June 20 - 26, 2022) by exploring the outdoors and learning more about pollinators at: www.blm.gov/programs/natural-resources/native-plant-commu....
We just spotted the Bureau of Land Management’s Seymour Antelope looking at native thistles in Utah for Pollinator Week!
“Native thistles produce a lot of nectar and pollen, so they are very popular with all types of pollinators!” - Seymour Antelope
Seymour encourages you to appreciate Utah’s native thistles, even though they often receive an undeserved bad reputation due to negative impacts caused by other non-native species sharing the same common name. Utah public lands support 19 species of native thistle! Native thistle produces copious amounts of nectar that supports a wide range of native pollinators including bumble bees, solitary bees, butterflies and moths.
Photo by: Aaron Roe, BLM Utah State Botanist | Adrienne Pilmanis, BLM Utah Ecologist
Testing whether koa can be cross-pollinated in controlled conditions in the koa common garden. Hamakua, Hawaii Island, Hawaii.
It was a really hot and sunny day today, but suddenly started raining. So I took the D300 out and tried to shoot some waterdrops and flowers without a flash to see if the sunny day would provide enough light. These pictures are the result of that test.
Volunteers take a well-deserved break after planting a new pollinator garden at Laurel Creek Park.
“I came out to learn more about good pollinator plants to plant in my garden, to get some fresh air and help improve a local park.” ~ Megan (on right) Plant a Pollinator Paradise Workday
It was windy today and taking photographs was a challenge, so I am fairly pleased to have this one. It shows a fly in that top bit (which I don't know the name of).
I had thought it accidental, assuming that the pollinating process would have been in what I would have called the "throat" of the plant ... but I saw another tiny fly in this same place in another one so ... ?
This regarding the taxonomy of SA (Terrestrial ) Orchids in an electronic publication given me by Bob Bates, who indicated that it could be shared.
I will add this information to all the orchid photos that I publish here, from SA.
"Foreword:
In the past there have been several books and pamphlets dealing with South Australian orchids, the first of these was Dr RS Rogers’ ‘Introduction to South Australian Orchidology’ in 1909 which had previously appeared in series form in that wonderful kiddie journal the Children’s Hour. Rogers only mentions about 50 species. Rogers’ book was upgraded in 1911 and most school libraries had copies for the next 60 years. These books enthused many school children to send orchids they found to Rogers and inspired others to invent common names of their own.
The orchids were next treated in detail in JM Black’s ‘Flora of South Australia’ (1929) which listed less than a hundred species.
Harold Goldsack in the 1950’s treated a similar number in the National Parks of South Australia handbook and in the 1960’s. South Australian Maynard G. Pocock of Adelaide included many SA species in his ‘Ground Orchids of Australia’.
In Flora of South Australia 3rd edit., vol 1 (1976) Weber and Bates treated less than 150 species while Foreman’s book on South Australian orchids in the early 1980’s had even less.
The first really comprehensive book on South Australian orchids was Bates and Weber’s ‘Orchids of South Australia’ which appeared in 1990 and suggested that there may have been more than 150 species of orchid in SA. With a wave of new species published since then and numerous name changes, the above ‘Pink book’ is very outdated today, hence this interim electronic OSA.
We are hopeful that David Jones will name most of the species awaiting publication and follow that up with a new book on our SA orchids. In the meantime many new species have appeared in Jones’ ‘Native Orchids of Australia’ which appeared in September 2006. This treats all known Aussie species. The most recent orchid book, Australian Orchid Research Vol 5 (March 2007) validates 15 new South Australian orchids.
The majority of Eastern Australian publications today, other than State Herbarium sponsored ones use the new segregate genera but we do so here with some reservations. "
These bees were working hard behind Mokko's cabins. This was a big yellow flower the size of my head almost and I zoomed in with my tele/macro lens to catch them snatching some gold nuggets heh :)
Its amazing to see these bees work. They have a very vital role in the pollination process.
**if anyone knows the names of these bees ... it looks a somewhat like a honeybee but its much smaller in size I dont think its a flower fly since they are diff. **
Info :
Pollination is the process by which pollen is transferred in plants, thereby enabling fertilisation and sexual reproduction.
Pollinator is the agent that moves the pollen, whether it be bees, flies, bats, moths, or birds; a pollenizer is the plant that serves as the pollen source for other plants
- wikipedia