disease

Xylella fastidiosa bacteria and damage illustrations

Study sheet of Xylella bacterium and associated diseases and plant damage botanical illustration by Lizzie Harper

Xylella fastidiosa bacteria sketchbook sheet with notes

Bacterium of Xylella fastidiosa, this form showing long pilli (many have short or no pilli)

Wych Elm Ulmus glabra leaf and seeds with close up of one seed

Anopheles gambiae African Malaria mosquito unfed female, posing in typical diagonal position

Larva of Anopheles gambiae Malaria mosquito showing typical position, parallel to the water surface

Pupa of Anopheles mosquito based on Anopheles gambiae at water surface

Feeding African Malaria Mosquito Anopheles gambiae showing stylets as she feeds, and swollen belly with tergites forced apart and excess liquid excreted during feeding

African Malaria Mosquito Life cycle Anopheles gambiae

Nematode worm showing transparent nature and internal organs and body parts. Cut to white

Amoeba cut to white idealised schematic illustration in blue with organelles clearly depicted

Hellebore black death affecting both the white flowers are the leaves, pen and ink with watercolour wash

Rat Rattus norvegicus footprints in pen and ink

Rat Rattus norvegicus in profile looking inquisitive with one paw raised

White rose showing damage grom the garden pest thrip which leads to discolouration, browning, and a sick lookin plant, insect inset

stem of a rose with the effects of canker being lesion, discolouration, yellowing and weakening of the plant

Picture showing black death virus effects on a hellebore flower and on the leaves

Leaf showing signs of fungal wilt with infected branch behind; the leaf is discoloured and wilted

Leaves and bud and flower of a rose covered wuith powdery mildew and mould, and causing discolouration of the leaves