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    Corps Tiny Weapon Winning the Bio Control Battle [Image 12 of 35]

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    A wide wetland or shallow lake is densely covered with aquatic vegetation, primarily large-leafed floating plants such as lily pads or spatterdock, extending across nearly the entire water surface. A narrow open channel of water is visible on the left side, with a treeline forming the horizon in the background. The sky is bright blue with large cumulus clouds, suggesting warm, humid conditions typical of a subtropical or temperate wetland environment.

    PALATKA, FLORIDA, UNITED STATES

    04.30.2019

    Photo by Brigida Sanchez 

    U.S. Army Corps of Engineers, Jacksonville District

    The alligator weed has invaded many water systems in the South and is slowly working its way to North and west of the continental United States. The alligator flea beetle is one of the methods of biocontrol that the Corps uses to control the invasive alligator weed. This noxious weed blocks transportation routes, threatens native species and reduces water capacity in our reservoirs. The U.S. Army Corps of Engineers, Invasive Management Species Branch is committed to providing technical support for the control of invasive species in our national and regional ecosystem restoration program.

    IMAGE INFO

    Date Taken: 04.30.2019
    Date Posted: 07.23.2019 17:41
    Photo ID: 5601471
    VIRIN: 190430-A-AZ289-3293
    Resolution: 1500x1000
    Size: 2 MB
    Location: PALATKA, FLORIDA, US
    Hometown: DELAND, FLORIDA, US
    Hometown: JACKSONVILLE, FLORIDA, US
    Web Views: 52
    Downloads: 11

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    This work, Corps Tiny Weapon Winning the Bio Control Battle [Image 35 of 35], by Brigida Sanchez, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.

    GALLERY

    A black and white landscape photograph of a calm wetland or marsh environment, likely in a subtropical region such as the Florida Everglades. The still water reflects dramatic cumulus clouds overhead, while aquatic vegetation and dense tree line frame the left foreground. The composition emphasizes the expansive sky and tranquil water surface.
    Two individuals are riding a yellow airboat through a shallow waterway surrounded by wetland vegetation and palm trees. The airboat bears a red emblem consistent with the U.S. Army Corps of Engineers insignia, suggesting this is an official government or environmental survey operation. The scene appears to be set in a Florida-style swamp or marsh environment under partly cloudy skies.
    A serene wetland or marsh landscape featuring calm, reflective water surrounded by lush green vegetation. The sky is bright blue with scattered cumulus clouds, which are clearly mirrored in the still water surface. The scene is consistent with a subtropical or tropical wetland environment, such as the Florida Everglades.
    Three researchers or field workers are conducting what appears to be a scientific sampling or water quality study from an airboat on a wetland or lake environment. They are handling a cone-shaped sediment or water sampling device, emptying its contents into a dark collection container. All three individuals are wearing hearing protection and life vests, consistent with airboat safety protocols.
    A yellow airboat is navigating through a Florida-style wetland or swamp environment, creating a visible wake as it moves through open water channels. The waterway is partially covered with dense aquatic vegetation, likely water hyacinth or similar floating plants. The background features a treeline of palm and subtropical trees under a partly cloudy blue sky.
    Two hands are closely examining a small plant stem with serrated green leaves that show visible signs of pest damage or disease. The leaves appear damaged, with irregular edges, discoloration, and what appear to be small insects or eggs on the foliage. The image is taken outdoors in natural sunlight with a blurred garden background.
    A woman wearing US Army Corps of Engineers insignia on her orange shirt stands on a flat-bottomed boat in a wetland environment, examining a aquatic plant specimen she has collected. She is equipped with safety gear including hearing protection, sunglasses, a baseball cap, and an orange Stearns life vest. The lush green wetland vegetation and partly cloudy sky form the backdrop.
    The image shows a close-up of green leafy plants exhibiting visible signs of disease or pest damage, including brown spots, holes, and leaf edge deterioration. Multiple plant species are present in a garden or natural outdoor setting, with bright sunlight illuminating the foliage. The central plant appears to be the most affected, showing significant leaf damage consistent with fungal infection or insect feeding.
    Two workers are operating in a vast wetland or shallow water body densely covered with aquatic vegetation, likely water hyacinth. They are accompanied by a yellow airboat, which is a common vessel used for navigating shallow, vegetation-choked waterways. The scene suggests environmental management, invasive species control, or ecological research work.
    Three individuals are working in a dense wetland or marsh area covered with aquatic vegetation, accompanied by a yellow airboat. One person operates or sits on the airboat, another sits near it, and a third uses a collection net, suggesting a field research or environmental sampling operation. The scene takes place under a partly cloudy blue sky with lush green vegetation in the foreground.
    A black and white landscape photograph depicting a large shallow body of water almost entirely covered by dense aquatic vegetation, likely lily pads or lotus leaves. The foreground shows thick, broad-leafed water plants extending across the surface, with open water channels visible in the middle distance. A treeline runs along the horizon beneath a dramatic sky filled with large cumulus clouds.
    A wide wetland or shallow lake is densely covered with aquatic vegetation, primarily large-leafed floating plants such as lily pads or spatterdock, extending across nearly the entire water surface. A narrow open channel of water is visible on the left side, with a treeline forming the horizon in the background. The sky is bright blue with large cumulus clouds, suggesting warm, humid conditions typical of a subtropical or temperate wetland environment.
    Two workers are operating a yellow airboat-style vehicle through a dense green crop field under a partly cloudy blue sky. One person is seated at the controls wearing ear protection, while the other is handling a cylindrical object, likely involved in agricultural research or pest management. The setting appears to be a large open farmland bordered by trees in the background.
    Two workers are operating an airboat through a dense, low-lying green vegetation field, likely a wetland or agricultural area. One person sits at the elevated operator's seat controlling the airboat, while the other crouches on the front platform, possibly harvesting or inspecting the vegetation. The scene is set under a bright blue sky with scattered cumulus clouds.
    Two individuals are aboard an airboat labeled 'AB 57' navigating a shallow, vegetation-covered waterway that appears to be a Florida wetland or swamp environment. One person sits at the front holding what appears to be a circular sieve or sampling tool, while the other operates the airboat from the elevated rear seat. The scene suggests field research, environmental sampling, or wildlife management work.
    A serene waterfront sunset scene featuring a marina dock and a bridge silhouetted against a vivid orange and golden sky. The calm water surface creates near-perfect mirror reflections of the dock pilings, bridge structure, and sailboat mast. The composition captures a tranquil coastal or riverine environment at dusk.
    A group of six people are gathered under a covered outdoor area beside a concrete block building, working around a picnic table. Three individuals wearing matching teal/blue long-sleeve shirts appear to be workers or staff, while others in casual clothing assist with what appears to be a sorting or sampling activity. Multiple white cups, coolers, and a container with plant material are visible on and around the table.
    A middle-aged man wearing a light blue fishing shirt, white cap, and blue-lens sunglasses stands beside an aluminum flat-bottom boat marked 'AB54'. Behind him are multiple bright yellow airboats parked on what appears to be a paved lot surrounded by trees. The setting suggests a swamp tour operation, airboat rental facility, or wildlife management area.
    The image shows a plant under severe insect infestation, with multiple beetles and other insects visible on heavily damaged foliage. The leaves display extensive feeding damage including holes, brown spots, yellowing, and necrotic edges consistent with beetle herbivory. Several striped beetles, likely flea beetles or similar species, are actively present on and around the deteriorating plant material.
    The image shows aquatic or semi-aquatic plants growing in a shallow water environment contained within a white PVC pipe frame. The plants appear to be watercress or a similar wetland species, with small rounded leaves on reddish-green stems emerging from standing water. This appears to be a controlled aquatic plant cultivation setup, possibly for research, restoration, or hydroponic purposes.
    A man wearing a tan baseball cap and an orange safety/life vest is photographing vegetation in an outdoor field setting. His vest displays text indicating affiliation with the 'US Army Corps of Engineers' and a name tag partially reading 'CHER' under 'Natural He[ritage]'. He is using a DSLR camera with a telephoto zoom lens equipped with a lens hood.
    A park or wildlife service ranger wearing an orange life vest and tan cap is examining aquatic or wetland vegetation up close. The individual appears to be conducting fieldwork, likely assessing plant species in or near a marshy, vegetated waterway. The setting is a lush, green wetland environment with dense background foliage.
    A person wearing an orange life vest and tan cap is crouching near a wetland or flooded area, holding open a clear zip-lock plastic bag. The individual appears to be collecting a sample or specimen from the low-lying vegetation. The setting suggests a field research or environmental monitoring activity.
    A close-up photograph of a human hand holding a green plant stem with multiple leaves showing visible insect damage. A small beetle or insect is visible near the center of the stem junction. The leaves display characteristic feeding damage including holes, ragged edges, and dark spotting consistent with insect herbivory.
    A close-up photograph of a human hand holding a small green plant with multiple leaves showing significant insect damage. The leaves display numerous irregular holes and chewed edges consistent with feeding by insect larvae. A small dark caterpillar or larva is visibly present on one of the damaged leaves.
    The image shows a severely damaged plant with multiple leaves exhibiting extensive pest or disease damage. The leaves display numerous holes, white spotting, dark speckling, and necrotic areas consistent with insect feeding or fungal infection. The plant appears to be in a white pot and is in a state of significant deterioration.
    A bald, bearded middle-aged man is standing inside a greenhouse or polytunnel, looking downward at plants. He is wearing a olive/khaki jacket over a light blue button-up shirt and appears to have a small microphone clipped to his collar. The image is taken through foliage, giving it a partially obscured, naturalistic framing.
    A close-up photograph showing a person's hands examining or handling green plant stems and leaves. The individual is wearing a light blue button-up shirt and a brown outer jacket, suggesting a field or garden setting. The focus is on the hands interacting with the vegetation, likely inspecting or harvesting the plants.
    A middle-aged bald man with a beard is standing among green plants inside a greenhouse or polytunnel structure. He is wearing a brown outdoor jacket over a light blue shirt and appears to be examining or tending to the plants. The setting suggests a horticultural or agricultural environment.
    A bearded, bald middle-aged man wearing a brown jacket over a light blue shirt is examining plants inside what appears to be a greenhouse or polytunnel. He is closely inspecting the stems and leaves of green shrubby plants, suggesting agricultural research, horticulture, or crop assessment. The background reveals a large greenhouse structure with translucent panels.
    A close-up macro photograph of a small white flower in bloom, surrounded by green foliage. The flower has delicate, fringed white petals arranged in a compact globular cluster atop a slender green stem. The background is intentionally blurred using shallow depth of field, keeping the flower as the sharp focal point.
    A close-up macro photograph of a green plant with narrow, elongated leaves arranged alternately along a central stem. A small white flower bud cluster is visible at a leaf node junction near the center of the image. The background is softly blurred with a shallow depth of field, emphasizing the plant's details.
    A close-up photograph of a green plant with small white globular flowers in bloom. The image features shallow depth of field, keeping the central plant in sharp focus while the background is blurred. The plant appears to be Eclipta prostrata or a similar species from the Asteraceae family, characterized by lance-shaped leaves and small composite flower heads.
    A close-up photograph of a heavily damaged plant stem being held by a human hand. The stem shows extensive pest damage with leaves stripped down to skeletal remnants and numerous small dark insects (likely aphids) visible across the surface. The plant appears to be severely infested and in poor health.
    A human hand is holding a severely damaged plant stem with multiple branches. The plant shows extensive leaf destruction, leaving only skeletal stems and remnants of foliage. Small dark specks visible on the plant material suggest the presence of insect pests, likely the cause of the damage.

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