©BSNHS 2014

March April Sycamore May June Seasonal Gallery

Hover fly Epistrophe elegans

Previous galleries

Common Yew

Previous Trees of the month

HawthornAshAugustJulyScots PineSept/OctCrab AppleHollyNorway SpruceBlackthornHazelJan/Feb

NOBLE FIR  Abies procera pinaceae Find out more.

Tree of the month

AspenGoat WillowHornbeamWalnutElderNoble FirHawthornSpindleLarch

This is an early spring species of hover fly photographed the third week in April. This is a species which is appearing earlier on a regular basis. TF

Whitebeam Black Poplar Wild Service Tree

Lichen of the month

Crottle (Crotal=lichen in Gaelic). Parmelia saxatilis

A foliose lichen, pale grey above having a bronze-pinkish tinge (often when a fungal infection is present). The underside is black.

Small individual lobes, several mm across typically surround a large detachable isidium. The many grey-brown rod-like isidia form the vegetative propagules. Sexual apothecia occur infrequently.

Like Punctellia (illustrated last month) it grows on acid media eg oak-bark, siliceous rocks or as here on stone walls. It has grown on human bones Dobson F notes when on the skull of a hanged man it allegedly has special medicinal properties. It is intolerant of nitrogen pollution and enrichment.

An important past use was as a red-brown wool dye.

RR Photographed this Jersey Tiger Moth in his back garden in Sawbridgeworth. They used to be restricted to southern Britain but with the advent of global warming they seem to be spreading northwards.

RR had seen some 'woolly bears' a short while ago and this may well have hatched from one of those.

Jersey Tiger Moth

LimeSweet Chestnut

Purple Emperor butterfly

JF Has returned to Rowney Wood which we visited to look for spring flowers early in the summer programme. He was fortunate to see several Purple Emperor butterfly's 'jousting' high in the canopy and then later on finding this splendid specimen sunbathing on one of the paths.

Wayfaring Tree London Plane Holm Oak Strawberry tree MYROBALAN PLUM

Glow Worms in
Hatfield Forest

On our evening visit to the Forest to find glowworms we were disappointed to only find one specimen glowing deeply inside some bushes making it very difficult to photograph.

DP was fortunate to be able to get one picture of the actual 'glowing' and by using a torch, a photograph of the actual glowworm.  

Grey Poplar