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Mar 17, 2019 11:31:39   #
Mark Sturtevant wrote:
If this is like the equivalent situation in Canon with manual extension tubes, you will need to set the aperture of the lens first before you re-mount the lens onto the tubes. Otherwise the lens will shoot wide open.
Yes. You must have bought a set of the same junk I did. Good for the lesson.
I think I do the same when reversing lenses. Turn on camera with lens mounted, select the aperture. Slowly remove lens WITH POWER ON.
BILL
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Mar 17, 2019 11:20:03   #
As you suspect, gut contents, especially carnivorous insects' rot. Inject with alcohol. Insert a pin, analy through things like this, at death and before putting in alcohol.
Mealworm larva are similar, now with both you can compare anatomy.
If you want some live mealworms, say so. I have plenty. For the birds, literally.
The Triops do look like tiny HS crabs, except two tails. This can be seen on a HSC if the telson gets broken as a juvenile. Two may grow in place.
In Annapolis they spawn on full moon (highest tides)at least twice in late July. WOW, aggretions of a dozen males and one female litter the beach. Male front claw adapted to grip groove on shell edge, so males grip males gripping male gripping female.(wheh). A batch of eggs will have many fathers. After last juvenile shed they can live fifteen years, no more shedding. I may bump into Docshark if I can get to a place called Bowers Beach in Delaware. The number one HSC beach in the world for this phenomenon.
The Triops, got distracted there. Will start some when I get the grow chamber running. Alone with some other odd arthropods of which I have eggs.
There are many almost unknown creatures that have quiet, discrete, and ephemeral life. These are a few of them. You, my friend, have had but a peek. It is realy possible to learn an interesting (many ignoramuses say worthless) fact and improve your mind daily. And the best part, the rest of your life to do it. Enjoy.
Bill
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Mar 17, 2019 10:39:55   #
Mark Sturtevant wrote:
I am kind of going back and forth about posting from Flickr. On the one hand, posting here directly does let people view selected pictures in a larger format. But posting from Flickr lets one alternate pictures with text.
Anyway... Here are more pictures from last August. There is still a lot more to do!

First up is a cute little planthopper which looks like Jikradia olitoria.
Plant hopper by Mark Sturtevant, on Flickr

Many flies are actually rather striking or even beautiful. This marsh fly (Tetanocera something-or-other) is one of the 'striking' ones, I suppose, but I am also rather fond of them since this species is one of the first that I had photographed in this hobby.
Marsh fly by Mark Sturtevant, on Flickr

Butterflies that have wing damage seem to evince a life that has been well lived. This viceroy butterfly (Limenitis archippus) really shows it has been around the block a few times. It was foraging on flowers in the same direction that I was ‘foraging’ across a field, so we kept bumping into each other for a couple hours.
Viceroy butterfly by Mark Sturtevant, on Flickr

A friend of mine from work knew of my… peculiar interests … so she gave me a box of dirt that had a pupating Sphinx moth. That did not work out (the pupa was badly deformed and so it would never come out well), but when inspecting it I noticed this furtive movement on the dirt. It was this cool bug that I had never seen before! Meet the evocatively named “masked hunter” (that is its real common name). These are wingless assassin bugs that decorate their bodies with soil particles as camouflage. The Latin name is Reduvius personatus.
Masked hunter by Mark Sturtevant, on Flickr

The final picture shows a common weevil, Otiorhynchus sulcatus. I like weevils (they are widely liked by the macro crowd), but I do wish to find the acorn weevils which are the ones with a super long snout. They should be around here since we have lots of oak trees.
I am kind of going back and forth about posting fr... (show quote)


I think National Geographic could recruite at this site. Beautiful.
Many pest control sites have pics of these. I found them in a rental in NJ. Along with bedbugs.(got my $ back and moved). Dust, dirt,lint and bedbug husks stuck to them. They don't seem to continue this as winged adults. Tho these do not carry disease, a relative with similar habits, The Blood Sucking Conenose, (Kissing Bug, Mexican Bedbug), Triatoma sanguisuga, is a carrier of Chagas disease. This plagued Darwin.
Bites by the masked Hunter.
Firsthand experience, the bite swells, inches and is generally worse than a bedbug bite. They stink, so do bedbugs. They bite when rolled into. Unlike the bedbug, PAIN when bitten. Not a pleasant experience. They are apparently moved by man, along with bedbugs, meaning 'may come
to a theater near you'.
Bill
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Mar 16, 2019 21:43:11   #
sippyjug104 wrote:
This is a Click Beetle larva that I found while scouting for insects in the woods. It was much more brightly colored before I preserved it in alcohol. I suspect that the bacteria in it's gut caused the discoloring after it expired.

The image is a close up of its mouth parts and I placed a piece of colored paper behind it for a background and used my typical diffused LED lighting setup to stage the session.


Nice shooting.
Click beetles, Elateridae, have larva both plant and animal feeders. The plant feeders are called wireworms, and can be very distructive in a garden.
Some are predatory, and large. What I believe was Alaus occulatus gave me a time before I dropped it. It bit me as if I had a Singer sewing machine monster. I wanted it, and I wanted to get it out of my hands. It fell and disappeared in the leaf litter. They are predacious, and well suited for the lifestyle. My hands were sore from a dozen paired puncture wounds.
Insect predators may be small, but put most large mammal carnivores to shame with the way they attack, main and mutilate their prey.
Backyard Wild Kingdom.
Bill
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Mar 16, 2019 21:22:56   #
If you don't mind, let me know about your ginger project. I have grown it, but never got much in the way of tasty root. Never as pungent and sharp as store bought. Pretty plant, tho. FYI. Related to Tumeric, Arrow root and Maranta, and bananas, ( and Bird of Paradise). And ginger bug is good for you and delicious. Maybe your own.
Bill
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Mar 16, 2019 21:08:39   #
Mark Sturtevant wrote:
I am kind of going back and forth about posting from Flickr. On the one hand, posting here directly does let people view selected pictures in a larger format. But posting from Flickr lets one alternate pictures with text.
Anyway... Here are more pictures from last August. There is still a lot more to do!

First up is a cute little planthopper which looks like Jikradia olitoria.
Plant hopper by Mark Sturtevant, on Flickr

Many flies are actually rather striking or even beautiful. This marsh fly (Tetanocera something-or-other) is one of the 'striking' ones, I suppose, but I am also rather fond of them since this species is one of the first that I had photographed in this hobby.
Marsh fly by Mark Sturtevant, on Flickr

Butterflies that have wing damage seem to evince a life that has been well lived. This viceroy butterfly (Limenitis archippus) really shows it has been around the block a few times. It was foraging on flowers in the same direction that I was ‘foraging’ across a field, so we kept bumping into each other for a couple hours.
Viceroy butterfly by Mark Sturtevant, on Flickr

A friend of mine from work knew of my… peculiar interests … so she gave me a box of dirt that had a pupating Sphinx moth. That did not work out (the pupa was badly deformed and so it would never come out well), but when inspecting it I noticed this furtive movement on the dirt. It was this cool bug that I had never seen before! Meet the evocatively named “masked hunter” (that is its real common name). These are wingless assassin bugs that decorate their bodies with soil particles as camouflage. The Latin name is Reduvius personatus.
Masked hunter by Mark Sturtevant, on Flickr

The final picture shows a common weevil, Otiorhynchus sulcatus. I like weevils (they are widely liked by the macro crowd), but I do wish to find the acorn weevils which are the ones with a super long snout. They should be around here since we have lots of oak trees.
I am kind of going back and forth about posting fr... (show quote)


The only way I have found many weevils is to save nuts and acorns in small vented containers with screen. They emerge starting in spring and you get a variety over the season. Other insects too. And , yes, acorn weevils, too. Watch closely, some weevils are only about a mm in length and go thru the screen.
Bill

PS, look now at the base of Mullen and Nicotina plants for many overwintering beetles. A Berlieze funnel helps.
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Mar 15, 2019 16:09:35   #
tinusbum wrote:
90 pic handheld stack with sigma 105 and helicon fb tube,braced on a beanbag


They go by many names. Especially so when stepped on barefooted.
Bill
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Mar 15, 2019 16:07:32   #
EnglishBrenda wrote:
Yes Bill, all my water snails have eyes at the base of the top pair of tentacles, I think this is normal for water snails.


One of those things that poses two questions for every one answered. Nature is grand that way.
Bill
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Mar 15, 2019 14:07:50   #
Mark Sturtevant wrote:
I am liking these pictures, and enjoying the subject. Had not noticed snails with eyes on the head, rather than on eye stalks. That is no doubt not unusual but is new to me.


I looked a bit and found this. Land snails have two pair of tentacles. The taller pair have eyes at the tips. Sea snails have eyes at the base of the tentacles. This leaves a lot of room for more questions.
There is a fluke that parasitizes some snails. They work their way into snail tentacles and make them more noticable to birds, the next host.
Just some FYI.
Bill
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Mar 15, 2019 13:29:15   #
napabob wrote:
coolio...........and crane flies being such adroit flyers.........


Yeh, about like the bat in Ferngully.😀
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Mar 14, 2019 11:04:28   #
JH2o wrote:
Newts can lay eggs up till July mainly in the north of the British isles that is why many over winter, in fact where Brenda lives most leave the ponds in the same year. (Check out the link again and down load the IDGuideNewtEggs&Larvae.pdf doc) https://www.arguk.org/info-advice/id-guides/11-newt-eggs-and-larvae-identification-guide

Most ponds that were surveyed contained a few species of fish some with large numbers of them, these and dragon fly nymph take a large toll of newt nymphs but the populations have remained stable over many years.

PS: most pond surveys are carried out on a night-time with torches, especially for Great Crested.
Newts can lay eggs up till July mainly in the nort... (show quote)


Thank you. I found those links.
I should have been clearer. In Maryland there is one newt. It breeds early in flowing water in Garret county and others.The mole salamanders, marbled, tiger, etc. are breeding in vernal pools in early February on. They mature fast, then mostly disappear. Nocturnal. Some others have been breeding here for a few weeks now. Unknown species. Also develop quickly. Old notes from 80's. Our Amphibian general population is down here. Climate?
Do you think the ones Brenda will mature this year?
Bill
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Mar 14, 2019 02:58:57   #
Mark Sturtevant wrote:
I was hoping to have a contest on what these are.


You got your wish.
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Mar 14, 2019 02:57:09   #
newtoyou wrote:
Correct about midge larva (I believe after more looking that those are Chironomidae). But no harm done if frog or toad. To NOT if they are salamanders and they probably would die.
Now, the timeline. These eggs are 'hatching'. They were probably laid about 20 or 21 Feb. This also fits with the fact that most salamanders are early breeders. And if these were frogs or toads you would have heard them in February.
Playing Sherlock Holmes a bit here😀
Bill
PS. A hydrogen peroxide bath and distilled water rinse is my normal for adding plants to an aquarium. Obviously I couldn't boil them if they were to grow. Clean hands and tools a must if working in an aquarium.
I eat the store bought greens raw, so hope they are already clean enough to feed other animals (like guests).
A final thought. Hay in water produces lots of tiny organisms. Food for the tadpoles. Use an eyedropper.
Correct about midge larva (I believe after more lo... (show quote)


And I might add another point for newts. They breed in vernal pools ( for most) that are free of fish. I believe many over winter as nymphs because of a two or more year tadpole stage.
So, Brenda, I believe your pond has newts. And little eats them, many have poisonous skin secretions
Bill, still
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Mar 14, 2019 00:25:50   #
jeep_daddy wrote:
Actually, bird photographers are not called birders. We are called bird photographers, or wildlife photographers.

If you talk to a birder, most do not take pictures of them or if they do, it's only to document the sighting and not to get a nice photo. They are really into knowing a birds habitat, it's call, their habits, their scientific names, just about everything. Most bird photographers will photograph a bird from each angle, in good and bad light and try to get just the right shot so that it's very pleasing in appearance when viewed on a computer or in a frame. Most birders do NOT like bird photographers. Bird photographers don't mix well with birders. I feel that most are snobbish, they make too much noise when they see a bird, and many lead large groups of other birders that are a bit disruptive. At the same time, when a bird is discovered that has some photographic appeal, too many disruptive photographers show up and ruin opportunities for other photographers. We found a nesting Bald Eagle pair recently and some jerks flew drones up to the nest. Some photographers tried to get closer by going on the other side of the fence. Some were parking their cars in the middle of the highway and causing a huge danger to other motorists. Ugh! That's the way people are!
Actually, bird photographers are not called birder... (show quote)


Damn shame there wasn't a bull, not greener grass or a better shot,on the other side.
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Mar 13, 2019 21:29:51   #
Mark Sturtevant wrote:
Yeah, I remember those days. It was fun, but not good for the critters. I feel especially sorry for the baby Caimans. Never did see dyed bunnies or chicks, and am glad I missed it.


But they were not caimans. They were American Aligators. Back before they were common and almost no laws protecting them.
Up to about mid 60's. The first to go were turtles when the relationship between the turtles carrying salmonella and the increase in the disease was understood. Nowadays caimens have replaced the gaters as 'pets'. My caimens were 30 and 48 inches long and would hurt you. I was VERY careful. I have had many 'unusual pets' for most of my life.

Bill
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