Things in the Night

I went out after dark tonight and lots of things are starting to move,firstly I met two Dotted border moths on the gable end  of house under the yardlight ,these are fairly common moths with a long flight season from Feb -April .

Dotted Border Moth (Agriopis marginaria )

Then  I saw a 20 plume moth, This is a small moth that can be found all year round

Twenty Plume Moth (Alucita hexadacytla)

Then I went near open water to check for frogs ,none about yet but some water insects were in evidence.

Water Cricket (Velia caprai) This is a water cricket just the one tonight but I have seen small packs of them hunting along the water surface for smaller prey.They seem to work in groups moving along the waters edge at first while others move along the centre driving the prey into the edge for cover and their comrades in waiting.

Water Boatman (Notanecta sp.)

This is a Water Boatman ,which swims on its back,you can just make out the small hairs at its tail that it uses to propel itself through the water.There are several species and can be identified by looking at their backs for colour patterns.

A Diving Beetle larva. ( Don"t know much about his fellow.)

Caddisfly Larva (Glyphotaelius pellucidus)

This is a Caddis fly larva the white threadlike structures are gills that it uses to breathe.Caddisfly larva can be identified by the kind of cases they build to protect themselves.This one is I believe Glyphotaelius pellucidus which makes a case of fallen leaves.

This was the suprise of the night, this catterpillar was head down about 150mm (6") under water,catterpillars seemingly don"t know how to reverse out of trouble,but some also can live under water like the Brown china mark.I havn"t id ed this yet but will update when I do.

Moths again!

The rain has brought a rise in temperature, and the moths are back after a long break,the December moth only lasted 3 days this season due to the cold spell,hopefully it will recover in the next few seasons.

Pale Brindled Beauty (Phigalia pilosaria) 06/02/2010

The Winter moths are back in small numbers and have been joined last night by the Pale Brindled Beauty  (Phigalia pilosaria) this is one of the bigger moths flying at the moment,and with its mottled colouring and bi-pectate antennae is easy to identify.

Signs Of Spring !

A beautiful day today and signs of Spring ,Snowdrops in flower,and one of my favourite birds the Starlings were bringing straws into a nest that they have been using for at least 40years.

These pictures were taken last year on 16/01/2010,they started out at opposite ends of the shed and gradually after much noisy courtship ended up together at the entrance to the nest.I don"t know how long they live, but only one pair nest here so how they decide its time to change tenants is a mystery  to me.They seem to raise two broods of 3-4 young and constantly amaze me with the amount of food they bring in all day every day,regardless of weather.The farm cats sometimes try their luck at catching them as do some magpies but after a lot of screeching are usually driven  of ,the magpies try to  lure the young out to the entrance to catch them and so far have not been sucessful as far as I know.

A very large "murmur" of Starlings have also spent alot of time this Winter feeding on one of the silage fields,they must eat grass because no  insects could have survived the low temperatures ,and constant "grazing of Lapwing,Redwing,Rook,Fieldfare and seagulls etc. 

Sexton beetle (not for squemish)

 As previously mentioned I sometimes run a mothtrap and more than moths turn up,flies beetles,caddisflies, etc,etc.Last June as I worked one a beetle with an atrocious smell arrived ,being covered in small brown mites it didn"t look to wholesome either.

Sexton beetle (Nicrophorous humator )

I identified it as a sexton beetle, so called because it buries dead birds and rodents before laying its eggs on it.It buries them to deny access to other carrion feeding species .When the carcase is buried it injects it with strong antibiotic solutions to slow down decay,then lays its eggs.The brown mites also have a role ,they feed on fungi that might speed up the decay and so the beetle doesn"t seem to mind transporting them from foodsource  to foodsource.It is also unusual in that it remains until the grubs hatch and will cull the numbers if too many survive and threaten the survival of all.It has evolved a way of concentrating the smelly fluids of the corpse which it uses to deter anything which threatens it .
A.M Massie a reknowned beetle hunter was conducting a bug hunt in the New Forrest when he found the body of a dead tramp,"You take the feet I"ll take the head" he called to his companion,they shook the corpse over a sheet laid out for the purpose ,several beteeles fell out and these are still to be seen in the British Natural History Museum labeled "Dead tramp.New Forest.A.M Massie . 

Ladybird killer

On April 29th last I found this seven spot lady bird on a fence post  ,it wasn"t moving and had a small brown cylinderical  object under it in a cocoon of some kind.It was the pupa of a ladybird killing wasp. Dinocampus coccinellae The braconid wasp D. coccinellae injects its egg into adults of large  ladybirds, especially the 7-spot. The eggs hatch into larvae which grow within the ladybird but do not kill it. They emerge and build a cocoon below the ladybird, attaching it to a leaf or trees trunk.They sever  the nerve endings  to the ladybirds legs  and it starves to death, The larvae pupate here before emerging as full grown wasps.  The living-dead ladybird may act as a  defence form other predators. 2010 was a very good year for ladybirds, numbers were up particularly  in August September .2011 will probably have a big wasp surge s a result.

The BIGGEST fly I ever saw !

Last July while conducting my butterfly transect I encountered the biggest  fly I ever met,at first I thought it was just  an unusually large Noon day fly but it quickly became obvious that it was something else .
A visit to the reference books turned up Tachina grossa a tacnid fly,these prey on large hairy catterpillars on which they lay eggs, that hatch and burrow into the caterpillar eating it alive, leaving the vital organs till last so as not to kill it prematurely.

Uncommon Things

In 2010 I have found some uncommon things in the Horse and Jockey area.In June I found several Bee orchids at a site where I had previously seen them,so called because bees try to mate with the flowers and in so doing pollinate them,although they can self pollinate if bees don"t  show up.

A Bee Orchid (Ophrys apifera)27/06/2010



27/06/2010



I also found the Marsh Hellebourine another beautiful orchid.

On the 7/07/2010 I found the caterpillar of the Small Eggar moth which has only been previously found in the Burren, and earlier this year in Donegal.This caterpillar lives in tents in Whitethorn hedges and the moth flies January to March.

 Adelphocoris seticornis nymph

Adelphocoris seticornis adult

Later in July I photographed a shield bug I didn"t recognise ,it took a while but it has been identified as Adelphocoris seticornis ,a rare bug only previously recorded 3 times in the S E of the country.I found both adult and nymph stages so it is breeding on site.

The site also has Marsh Fritillary butterflies on site these have been covered in a previous blog report.

The site is small all these were found in an area of less than 100m x 100m of cutover bog.