22 June 2011

Male and Female



It is not always possible to tell if an insect is Male or Female but in some cases with a bit of "insider" knowledge and knowing what to look for it isn't too hard.


Large Skipper Butterfly


Large Skipper - Ochledes venata - Male

This one is quite subtle but the giveaway is the black "streak" mark on each forewing which indicates it is a male. Note the lack of this on the female below.


Large Skipper - Ochledes venata - Female


Scorpion Fly

Scorpion Fly - Male

With the Scorpion Fly you need to look at the tail which gives it its name. The male has a bulbous turned up tail like a scorpion whilst the female (below) doesn't.



Scorpion Fly - Female





Longhorn Fairy Moth - Nemophora degeerella





Longhorn Fairy Moth - Nemophora degeerella -Male


Can you guess what it is yet? Yes the distinguishing feature of this male is its unfeasibly large antennae. To be fair the Female (below) has pretty large antennae for its size, but not in the same league





Longhorn Fairy Moth - Nemophora degeerella -Female




21 June 2011

Recent Selection



 
I've been a bit busy lately and whilst I have managed to get out and about a bit I have not had time to sort out my pictures and make any blog entries so I am going to offer up a bit of a  random selection



Common Spotted Orchid 
This was at Knapp and Papermill NR amongst thousands (?) more in the wild flower meadows there but I have also seen huge numbers of them at Oversley Wood and Trench Wood. I don't remember seeing so many last year so maybe it is a good year for them. 

 





Forest Shieldbug Nymph - Pentatoma rufipes

Shieldbugs go through a number of phases (instars) on there way to adulthood, and often look very different from the Adults even when in the final Instars.I think this is probably a late Instar and compare it to this Adult from a previous post. You will need to scroll down the page)



 




Common Earwig - Forficula auricularia

They aren't unusual or rare but I don't see many Earwigs. Probably because they are primarily nocturnal and usually keep hidden away in the leaf litter or under things. Anyway this one looked like it was having a day out and feeding on top of an umbellifer



 




Snail Killing Fly - Sciomyzidae ?

I struggled to identify this distinctive fly but I think I have narrowed it down to the so called Snail Killing Flies. I couldn't find out much but, if like me, you are wondering how this small thing kills snails well I think it is actually the larvae of the fly that does the damage as it parisitises the snails.






 


Bombus Pascuorum - Common Carder Bee

I'm not 100% on the ID, I keep thinking it can't be that hard to get grips with Bumblebee iD but they do vary quite a bit and  they also move about so quickly and you usually need to see Head / tail, Front / Back of the bee to confirm iD. Anway I am trying and what I can confirm is that this is a social Bumblebee and it is a Female because it has a Pollen Basket.

And that really is what is so striking about this picture. Look how full the Pollen Basket is. What a size! Time to go back home for a rest if you ask me , this has been a very busy Bee


 



Leaf Rolling Weevil - Apoderus coryli

I just like these Beetles, they are such an odd shape ( and easy to spot!)







Bagworm Moth - Psychidae

Moth?? you say. Well the larvae or Pupa of  of a Psychid moth.Within the shell of twigs will be a silken Pupa from which will emerge either a winged male or possible a grub like female which may not even leave its "shell" but extend its abdomen to mate. There are a number of different species and  they cover themselves in various bits of  plant bits / sand / debris.

They are very easy to overlook as there are often bits of fallen twig etc on leaves but once you see one of these you will start to notice more because you know what you are looking at.






 


Froghopper

I am also spotting a lot of these. Might be the time of year or, as above, maybe I've got my eye in.








7 June 2011

Cardinal Beetle



I only featured the Cardinal Beetle in my last post but I saw a couple of interesting ones at Knapp and Papermill NR at the weekend.




Cardinal Beetle - Pyrochroa serraticornis

Ok so not the finest specimen with a strangely bent antennae but this picture is purely for reference against the next picture.....







Cardinal Beetle - Pyrochroa serraticornis


I managed to catch him (?) at the moment of take off which gives a rare insight into a beetles anatomy. Looks like one of those "Transformers" toys.
The (red) wing cases are called Elytra and they are hardened modified forewings which protect the softer membranous Hind flight wings.

The Elytra are held open in flight whilst the hindwings do all the work. If you have ever seen a beetle in fight you will know how ungainly and unaerodynamic they look and from this picture you can understand why. But I suppose as a secondary means of mobility it does the trick.

 
 

 





Cardinal Beetle - Pyrochroa coccinea




In my last post I mentioned that there is a black headed version of the Cardinal Beetle but I had not managed to spot one. Well I have now.

I was alerted to the noisy ungainly flight of a Beetle and whilst it is hard to tell what sort of beetle in flight it was clearly Red and of a size which could only really be a Cardinal Beetle and he landed close by and at about waist height so I wasn't going to turn down the opportunity to get a picture even though I had seen and photographed others that day.

I was busy lining up the shot and getting focus etc and had probably even taken a shot or two before it suddenly dawned on me that it had a black head!! A real lightbulb moment.






Cardinal Beetle - Pyrochroa coccinea




And he generously posed for me, showing off his spectacular antennae.





22 May 2011

Beetles and Bugs



Cardinal Beetle - Pyrochroa serraticornis

One of my favourites. Brilliant distinctive colouring and I also like the large serrated antenna. There is another form with a black head rather than scarlet but I've not come across one yet.  Typically seen in the adult form between May and July






Green Tortoise Beetle - Cassida viridis

One for Monica, she likes these. A male and female presumably!  Easiest to spot at this time of year when they are mating as usually they are well camouflaged when pulled down tightly against leaves.




Black and Red Froghopper - Cercopis vulnerata

These are EVERYWHERE at Trench Wood at the moment. Must have seen 30 before I had left the car park. 




Froghopper nymph - aphrophora salicina

Froghoppers are also referred to as Spittle Bugs because it is they that are responsible for Cuckoo Spit on plants.  The nymphs produce the froth which completely hides them from predators and also tastes bad so  puts off predators. As you see a lot of Cuckoo spit but not the nymphs I guess the strategy works. However I suppose if you wanted to go poking around in it you would find the nymphs.


Froghopper nymph - aphrophora salicina

 To save you having to go poking about in the horrible froth to satisfy your curiosity, this is one I prepared earlier showing the back end of the nymph poking out. 

Incidentally if you are wondering WHY it is called Cuckoo Spit it is because in the past it was thought to have been produced by Cuckoos who arrived on migration at the same time the froth started to appear. Just coincidence.

There are many species of Froghopper nymph that produce the froth (though not the Black and Red Froghopper above) and if you are wondering what the Adults typically look like see my previous post here for an example.



Horned Treehopper - Centrotus cornutus

I found another of these, at Trench Wood this time. This angle shows off its horns well



17 May 2011

Sawflies




As Sawflies are abundant at the moment I thought I would do a quick post about them

There are apparently 500 species in UK and many of them are like the examples below i.e distinctive,  and colourful with elongate bodies. They aren't always easy to identify despite their colourful bodies but they are quite photogenic.




Sawfly sp

This is how I like to photograph Sawflies with outstretched wings revealing their bodies and also the wing veination which can often help with identifying the species (in theory!)








Sawfly sp

However they don't often want to cooperate and as soon as they land they usually fold their wings back along their bodies hiding their true colours or just hinting at it through the semi transparent wings. For instance this ones body is black at the front and red at the rear but you can't really see it that well. At least this one has another interesting feature being the white tips of the antennae.





Sawfly sp

They really do come in a wide range of colours.....Green.....





Sawfly sp

....Black and Yellow. Even the legs are often colourful.

So anyway, I'll continue to look for the "posers" to get photos of, but it's not easy.






Sawfly Larvae

This "punk caterpillar" is a sawfly larvae but I've not been able to find out what the adult is like .I would like to think it is as impressive as the larvae!





16 May 2011

Flies




Some of the big guns in the Fly world. They're big and they're ugly !
[Click on the picture to see large]


Snipe Fly -  Rhagio scolopacea

Often called the Down Looking Fly because it is unusual in that it often rests on tree trunks etc facing downwards. Having said that, like here, it is just as likely to be facing up!





Empididae sp
Looks like something out of Alien to me



Tachina fera

These are quite common in the garden and elsewhere and at a distance they just look like big bluebottle type flies but brownish. Close up you can see it is covered with spiky hairs making it look more intimidating than it really is.


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They look Like Bumble Bees !

But they aren't.


Not only are these 2 not Bumble Bees, they are both the same species (but different variants)

This Hoverfly is a Bumble Bee mimic and comes in the 2 distinct varieties which closely resemble 2 different species of Bumble Bee. They live by scavenging in and around the nests of Bees and wasps and presumably this is why they have evolved this disguise. 

However whilst they superficially resemble a Bumble Bee it is very easy to tell the difference by their flight characteristics as well as their facial looks and the fact that Bees have 2 pairs of wings and Hoverflies one pair!. So if I can tell the difference how come an actual Bumble Bee (or wasp) cannot. Makes you wonder.





Hoverfly - Volucella bombylans var. plumata



Hoverfly - Volucella bombylans var.bombylans












7 May 2011

Speckled Bush Cricket



[Click on photos for larger version]


Speckled Bush Cricket Nymphs

Finally had rain today after weeks of very little so haven't ventured out but I took a quick look in the garden between showers and on a Buttercup plant I saw what looked like a greenfly. However closer examination revealed something quite different and unexpected. What I thought was "greenfly" turned out to be Bush Cricket Nymphs. I think they are the Nymph of the Speckled Bush Cricket.




Speckled Bush Cricket - Leptophyes punctatissima







Speckled Bush Cricket - Leptophyes punctatissima







Speckled Bush Cricket - Leptophyes punctatissima








Speckled Bush Cricket - Leptophyes punctatissima


The Nymphs go through a number of moults (shedding their skin).  Each time becoming a larger more developed version until they are the finished  adult . The juvenile versions are called "Instars" and a cricket can have up to 13 instars but the Speckled Bush Cricket has a more modest 6 instars. I am not sure which number this is but it must be fairly early because they are so small.






Speckled Bush Cricket - Leptophyes punctatissima


They may be tiny and not fully developed but they can still jump a good distance and when they jump they are pretty hard to find again as they blend in well with the vegetation.







Speckled Bush Cricket - Leptophyes punctatissima






3 May 2011

Tiddesley Wood




Spent an enjoyable few hours at the Tiddesley Wood Open Day. A lovely sunny day but even windier than the past few days. Managed to take a few pictures whilst there.





Rhopalus subrufus


Looks like he has climbed up the grass to have a look around. Maybe he was lost.






Horned Treehopper - Centrotus Cornotus

Wow, this is one weird,exotic looking bug. Well done Monica for spotting it. Not seen one before so very pleased. The family it belongs to is mainly tropical and there are only 4 species in Europe (2500 species worldwide). The tropical species are often very spiky hence their other common name of Thorn Bugs.







Dance Fly - Empididae sp






Squash Bug - Coreus marginatus

AKA  Dock Leaf Bug as it is often found on Dock leafs or similar. Squash Bug comes from the fact that is a pest of Squashes (melon, courgette etc) in America.






Green Shieldbug - Palomena prasina

 
Doing a good job of blending in with the greenery. This bug overwinters as an adult and in winter it turns a reddish Brown colour, changing back to green in the Spring. Makes a lot of sense as it would be far too visible in this bright Green colour in the winter.





2 May 2011

Trench Wood


Another Bank Holiday weekend with fantastic sunny weather. The only drawback was the wind which was quite strong and whilst it wasn't a cold wind it wasn't the best conditions for photographing insects. There was absolutely no shortage of different insects so this is just a small sample of what was about.




Scorpion Fly (Male)
These have started appearing again over the past couple of weeks



Leafhopper - Oncopsis subangulata?

These are tiny creatures so I rarely spot them but I had my friend Monica with me and nothing gets past her!




Speckled Wood - Parage aegeria
Showing its underwing markings


Mirid Bug - Rhabdomiris striatellus

There are quite a few species of these Plant Bugs but again they are quite small and often go unnoticed. (Thanks again Monica!).  This is a particularly well marked one.



Sloe Bugs + Dandelion Head

How many Sloe bugs does it take to destoy a Dandelion Head?...The answer seems to be 5 !

Having spotted this "phenomenon" of Sloe Bugs in Dandelion seed heads last week I have noticed it loads of times since. In fact I have to check all the Dandelions now! Not sure if it is feeding or mating or both. There definitely seems to be mating going on in any case....



Birch Shield Bug - Elasmostethus interstinctus

......and talking of Shieldbugs mating...