Invasive Collection (page 6)

Western Conifer Seedbug (Leptoglossus occidentalis) introduced invasive species, adult, with wing cases opening, resting on leaf in garden, Belvedere, Bexley, Kent, England, november

Cane Toad (Rhinella marinus) introduced species, adult, sitting amongst eucalyptus leaf litter, Northern Territory, Australia

Rough Cocklebur (Xanthium strumarium) introduced weed species, with fruit, Romania, september

Himalayan Balsam (Impatiens glandulifera) introduced invasive species, flowering, Basingstoke Canal Nature Reserve, Hampshire, England, october

Common Morning Glory (Ipomoea purpurea) introduced species, flowering, growing on fence in wasteground, Biertan, Transylvania, Romania, september

Japanese Wireweed (Sargassum muticum) introduced invasive species, Toothed Wrack (Fucus serratus) and Bladder Wrack (Fucus vesiculosus) fronds, growing in rockpool at low tide, Bembridge

Cleared invasive woodland at edge of valley fen reserve, close-up of stump with cut grooves, Roydon Fen, Roydon, Upper Waveney Valley, Norfolk, England, june

New Zealand Pygmyweed (Crassula helmsii) introduced invasive weed, flowering, Northumberland, England, july

False Acacia (Robinia pseudoacacia) introduced naturalised species, close-up of flowers and leaves, Italy, april

Common Rhododendron (Rhododendron ponticum) introduced invasive species, close-up of flowers, Powys, Wales, june

Winged Spindle (Euonymus alatus) introduced invasive species, autumn foliage, growing in woodland, Halle Ravine Preserve, New York State, U.S.A. november

Harlequin Ladybird (Harmonia axyridis) introduced species, larva, feeding on Scale Insect (Coccoidea sp)
Harlequin Ladybird (Harmonia axyridis) introduced species, larva, feeding on Scale Insect (Coccoidea sp.), Genova Province, Liguria Italy, august

American Signal Crayfish (Pacifastacus leniusculus) introduced species, adult, with claws raised in defensive posture, Italy, august

Harlequin Ladybird (Harmonia axyridis succinea) introduced pest species, adult, resting on leaf, Powys, Wales, november

Eastern Cottontail (Sylvilagus floridanus) introduced species, adult, sitting at edge of track, Italy, may

Dojo Loach (Misgurnus anguillicaudatus) introduced species, adult, close-up of head, Italy, september

Red Lionfish (Pterois volitans) introduced invasive species, dead adults, speared by diver in eradication attempt, Bonaire, Leeward Antilles, Lesser Antilles, Caribbean

Bronze Pirri-pirri Bur (Acaena anserinifolia) introduced invasive weed species, fruits, Lindisfarne, Northumberland, England, july

Migratory locust (Locusta migratoria) on a branch. This insect is widespread throughout Africa, Asia and Australia. It migrates in large swarms that devastate all types of vegetation

Immature West Nile virus, molecular model
Immature West Nile virus. Computer model showing the molecular structure of the protein coat (capsid) of an immature West Nile virus particle

Typhoid nodules, light micrograph
Typhoid nodules, coloured light micrograph. Section through a lymph node of a patient with typhoid, showing macrophages (large cells, pink) forming typhoid nodules

Liver tuberculosis, light micrograph
Liver tuberculosis. Coloured light micrograph of a section through the liver of a patient with miliary tuberculosis (TB). A tubercle, a nodular lesion of infected dead tissue, is seen at left

Miliary tuberculosis, light micrograph
Miliary tuberculosis. Light micrograph of a section through a single miliary tubercle (left) in a patients lung. Tubercles are nodular lesions of infected dead tissue that arise from tuberculosis (TB)

Harlequin ladybird. Dorset, UK October 2009

Lonicera tatarica
Tatarian Honeysuckle (Lonicera tatarica) in flower

Japanese Knotweed (Reynoutria japonica)
Japanese knotweed sprouting in spring. Dorset, UK April 2007

Pacific oysters (Crassostrea gigas). This oyster, which is edible, is native to the Pacific coasts of Asia. It has been introduced to other coastal areas worldwide

Bermuda buttercup (Oxalis pes-caprae) flowers. This species was introduced from South Africa and is now a widespread weed across the Mediterranean. Photographed on the Mani peninsula, Greece

Conringia orientalis
Hares Ear Cabbage (Conringia orientalis) in flower in France. This plant is an introduced arable weed which is rare in the United Kingdom

False Acacia (Robinia pseudacacia) invading abandoned grassland near Malancrav, Saxon villages, Transylvania, Romania

Ludwigia uruguayensis invading a river
South American Water Primrose (Ludwigia uruguayensis) invading the River Cher at St. Aignon in France

Kahili Ginger (Hedychium gardnerianum)
Flowers of Kahili Ginger (Hedychium gardnerianum), also known as Ginger Lily

Purple Moor Grass (Molinia caerulea)
The spent stalks of Purple Moor Grass (Molinia caerulea) form pale drifts on the Dorset heathlands in the UK. This grass can easily become dominant, crowding out other heathland species

European wand loosestrife flowers
European wand loosestrife (Lythrum virgatum) flowers

Purple loosestrife (Lythum The Beacon )
Purple loosestrife flowers (Lythrum The Beacon )

Corydalis nobilis flowers. This is an invasive weed that was originally native to Russia. Photographed in the Caucasus

Californian stinkweed (Navarretia squarrosa). This invasive weed has been fully naturalised to New Zealand, from the USA

Water cabbage (Pistia stratiotes) floating in water

Spanish flag (Lantana camara)
Spanish flag flowers (Lantana camara). This plant is an invasive weed that spreads quickly due to the disperal of seeds by birds. It is found in India, Australia, and Africa

Japanese knotweed (Fallopia japonica) growing rapidly after being cut back. Japanese knotweed is a tough, highly invasive perennial, that was introduced to this country by the Victorians

Giant hogweed (Heracleum mantegazzianum)
Giant hogweed foliage (Heracleum mantegazzianum). The sap of this plant contains a substance which causes photodermatitis, which is increased sensitivity of the skin to ultra-violet light

USA, Florida, Cuban Tree Frog

USA, Oregon, Portland. Close-up of Queen Annes lace wildflower. Credit as: Steve Terrill / Jaynes Gallery / Danita Delimont

USA, Colorado, Frisco. Close-up of European starling bird standing on log. Credit as: Fred J. Lord / Jaynes Gallery / Danita Delimont

South American Water Primrose (Ludwigia uruguayensis = Ludwigia hexapetala) invading the River Cher at St
ROG-13123 South American Water Primrose - invading the River Cher at St. Aignon, France Ludwigia uruguayensis Serious pest

Mass of Bermuda Buttercups (Oxalis pes-caprae) - a very invasive weed from South Africa - and a Carob tree
ROG-13259 Mass of Bermuda Buttercups - a very invasive weed from South Africa - and a Carob tree south Cyprus. Oxalis pes-caprae Bob Gibbons Please note that prints are for personal display purposes

Hottentot Fig (Carpobrotus edulis f. rubescens) from South Africa, widely naturalised in south Europe. Crete
ROG-13284 Hottentot Fig from South Africa, widely naturalised in south Europe. Crete Carpobrotus edulis var. rubescens Bob Gibbons Please note that prints are for personal display purposes only

Wild Poppy or Field Poppy (Papaver rhoeas) against sea and sky; Mani Peninsula, Peloponnese, south Greece
ROG-13323 Wild Poppy or Field Poppy - against sea and sky Mani Peninsula, Peloponnese, south Greece. Papaver rhoeas Bob Gibbons Please note that prints are for personal display purposes only

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"Invasive: The Silent Intruders of Nature's Balance" Harlequin Ladybird - with 7-spot Ladybird on the left: Nature's vibrant colors intertwine, but amidst them lurks an invader disrupting harmony. Oxford ragwort (Senecio squalidus) - a widespread naturalized weed: Once a foreign beauty, now an unwelcome guest, spreading its roots across the land. Rose-ringed / ring-necked parakeets (Psittacula krameri) in flight on their way to roost in an urban cemetery, London, UK. January: Foreign wings grace our skies as these exotic birds seek refuge among tombstones and concrete jungles. Hybrid bluebell, common x Spanish. Invasive in the British countryside (Hyacinthoides non-scripta x H. Hispanica): A delicate fusion born from two worlds collides with native flora, altering landscapes forevermore. Oriental Staff Vine (Celastrus orbiculatus), introduced invasive species; close-up of fruit, New York State, U. S. A: Its fruits bear witness to its conquest over native plants – a silent invasion reshaping ecosystems afar. Giant Hogweed: Towering above all else with toxic might; this colossal intruder casts shadows upon nature's delicate balance. Kahili Ginger or Ginger Lily Hedychium gardnerianum from the eastern Himalayas; common as a weed in Hawaii, New Zealand and elsewhere: From distant lands it came bearing fragrant blooms that deceive our senses while overpowering local habitats. Lesser periwinkle in old woodland - Vinca minor: Innocent yet tenacious vines creep through ancient forests like invaders claiming territory underfoot. European green crab (Carcinus maenas), an invasive species in North America - Kejimkujik National Park.