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Hummingbird clearwing moth (Hemaris thysbe) hovering at butterfly bush (Buddleia davidii), with the focus on its spiraled, pollen-covered proboscis. Taken in a Connecticut flower garden, summer.

Macro of mosquito larva on black background. Mosquito's larva in water.

liver fluke Clonorchiasis under light microscopy

Microscopic photo of a thin section of calcareous tufa of Holocene age.

Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

Lucilia caesar Common Greenbottle Blow Fly Insect. Digitally Enhanced Photograph.

Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.

$The scarlet tiger moth (Callimorpha dominula, formerly Panaxia dominula) is a colorful moth belonging to the tiger moth subfamily, Arctiinae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. \nDescription:\nCallimorpha dominula has a wingspan of 45–55 millimeters. Adults of this species are quite variable in color. The forewings usually have a metallic-green sheen on the blackish areas, with white and yellow or orange markings. Hindwings are red with three large and irregular black markings. These moths may also occur in rare color forms, one with yellow hindwings and body and one with extended black on hindwings. The thorax is black glossed with green and shows two longitudinal short yellow stripes. The abdomen is black. The scarlet tiger moth has developed mouthparts, that allow it to feed on nectar. The caterpillars can reach a length of about 40 millimeters . They are dark gray with yellow stripes and small white dots.\nBiology:\nThe imagines are active during the day in May and June. This species has a single generation. The caterpillars are polyphagous. They mainly feed on comfrey (Symphytum officinale), but also on a number of other plants (Urtica, Cynoglossum, Fragaria, Fraxinus, Geranium, Lamium, Lonicera, Myosotis, Populus, Prunus, Ranunculus, Rubus, Salix and Ulmus species). \nDistribution and habitat:\nThis species is present in most of Europe and in the Near East (Turkey, South Caucasus and northern Iran). These moths prefer damp areas (wet meadows, river banks, fens and marshes), but they also can be found on rocky cliffs close to the sea (source Wikipedia).\n\nThis Picture is made during a Long Weekend in the South of Belgium in June 2019.$

Liver Fluke Section under light microscope with white background

Green filamentous algae, Oscillatoria sp.

Simuliidae, black fly (Diptera) in Baltic amber, Eocene, approximately 56 - 34 million years ago. Image taken with extreme macro and focus stacking technique.

Microalgae under a microscope, sample taken from moss

Planarian parasite (flatworm) under microscope view.

Silver-spotted skipper (Epargyreus clarus -- a butterfly) on purple vervain, with copy space. In a Connecticut garden, summer.

Photomicrograph of midge fly, Chironomidae family, eggs hatching. Eggs are encased in a gelatinous material that attracts debris. Live specimen. Larva about 0.5 mm long. Wet mount, 10X objective, transmitted brightfield illumination.

micromicroscopic microphoto of microscopic cell

Gastric mucosa intestinal metaplasia under microscopy

Freshwater aquatic zooplankton and algae under microscope view

A great Spangled Fritillary feeds on butterfly weed.

Host cells with spores (mold) are inside wood under the microscope for education.

pine leaf slide under microscope, nice background for scientific affairs

centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification

Copepod with egg sacs. Live specimen. Wet mount, 10X objective, combination of transmitted brightfield illumination.

Microscopic close view of high vaginal swab Gram stain smear, 100x. diagnosis of Bacterial vaginosis (BV).

Blastomycosis is a fungal infection caused by inhaling Blastomyces dermatitidis spores. If it involves only the lungs, it is called pulmonary blastomycosis. Only about half of people with the disease have symptoms, which can include fever, cough, night sweats, muscle pains, weight loss, chest pain, and feeling tired.

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