List of articles № 3
Why do lice appear on the human head?
Head lice (Pediculus humanus capitis) are tiny, wing‑less insects about 2–4 mm long. Their bodies consist of a head, thorax and abdomen, each covered by a tough exoskeleton. The head bears a pair of compound eyes, antennae, and three forward‑facing mouthparts (mandibles) adapted for piercing the epidermis and sucking blood.. Date latest changes:
What should be used to lubricate the tick bite site?
After a tick bite, grasp the tick as close to the skin as possible with fine‑point tweezers, pull upward with steady pressure, and discard the specimen safely. Immediately cleanse the puncture site with mild antiseptic solution or sterile water to reduce bacterial contamination.. Date latest changes:
How can I get rid of fleas that bite people?
Flea bites on humans appear as small, red punctures, often grouped in clusters of three to five. The central spot may be slightly raised, while surrounding areas show erythema and mild swelling. Itching is intense and may lead to excoriation if scratched.. Date latest changes:
What does the mark look like after a tick bite on a human?
The initial lesion produced by a feeding tick is typically a small, well‑defined area of erythema. Diameter ranges from 2 mm to 5 mm in most cases; larger species may generate marks up to 8 mm. The shape is usually circular or slightly oval, reflecting the attachment site of the mouthparts.. Date latest changes:
How can you eliminate spider mites in the garden and vegetable patch?
Spider mites inflict damage that can be recognized before populations become unmanageable. Early detection prevents extensive loss in ornamental and edible plants. Typical leaf symptoms include: Small, pale or yellow specks that expand into stippled patterns.. Date latest changes:
What does a dream about lice on another person’s head mean?
Dream analysis treats nocturnal imagery as symbolic communication from the unconscious. Interpretation relies on the dreamer's personal associations, emotional atmosphere, recurring patterns, collective archetypes, and current life circumstances.. Date latest changes:
How can you get rid of bedbugs in an apartment by yourself?
Visual evidence forms the backbone of any self‑directed effort to eliminate bedbugs from an apartment. Accurate identification and documentation of infestations guide treatment choices and confirm success. Live insects, typically reddish‑brown, 4–5 mm long, visible on mattress seams, headboards, or furniture crevices.. Date latest changes:
How can spider mite be identified on eggplants?
Spider mites are arachnids belonging to the family Tetranychidae, commonly encountered on solanaceous crops such as eggplant. Adult specimens measure 0.3–0.5 mm, possess a flattened oval body, and display two pairs of legs located near the anterior margin.. Date latest changes:
Which tick and flea spot‑on drops are best for dogs?
Spot‑on formulations deliver active ingredients onto the dog’s skin, where the compounds spread across the coat and penetrate the epidermis. After application, the medication forms a thin oily film that distributes through the lipid layer of the skin and into the superficial blood vessels.. Date latest changes:
What should be done for a fever after a tick bite?
After a tick bite, prompt removal minimizes pathogen transmission that can cause fever. The procedure must be performed with care to avoid crushing the tick’s body, which releases infectious material. Use fine‑tipped tweezers or a specialized tick‑removal tool.. Date latest changes:
What should a dog be given after a tick bite according to veterinary recommendations?
Effective removal of a tick from a dog requires instruments that grip the parasite without compressing its body, thereby minimizing the risk of pathogen transmission. Veterinarians recommend the following tools: Fine‑tipped, stainless‑steel tweezers with a flat, serrated tip to grasp the tick as close to the skin as possible.. Date latest changes:
Which flea and tick collar is best for cats?
Flea‑and‑tick collars for cats rely on a limited set of chemical classes that diffuse from the device onto the animal’s skin and hair. Understanding each class helps determine which product delivers the desired protection profile. Imidacloprid – a neonicotinoid that binds to nicotinic acetylcholine receptors in insects, causing paralysis.. Date latest changes:
What should you do with a flea infestation on chickens at home and how to eliminate them?
Visible signs of a flea problem in backyard chickens appear quickly and indicate the need for immediate treatment. Intense scratching or pecking at the vent area, legs, and under the wings. Small, dark specks (flea feces) on feathers or in the coop bedding;. Date latest changes:
Does dichlorvos help in tick control, and is it effective and safe?
Dichlorvos (2,2-dichlorovinyl dimethyl phosphate) is an organophosphate insecticide with the molecular formula C₄H₇Cl₂O₄P and a molecular weight of 221.0 g·mol⁻¹. It appears as a colorless, volatile liquid, readily evaporating at ambient temperature.. Date latest changes:
Fitover‑M contains abamectin as its primary active component, supplemented with a secondary synergist such as pyriproxyfen. Abamectin belongs to the avermectin class and exerts its effect by binding to glutamate‑gated chloride channels in the nervous system of spider mites.. Date latest changes:
Bed bugs (Cimex lectularius) are small, wingless insects that feed exclusively on the blood of warm‑blooded hosts, primarily humans. Adults measure 4–5 mm in length, are oval‑shaped, and display a reddish‑brown coloration that deepens after feeding.. Date latest changes:
How long do flea drops remain effective?
Flea‑control spot‑on products rely on a limited set of synthetic insecticides that spread across the skin, coat and bloodstream to eliminate adult fleas and prevent new infestations. Their effectiveness over weeks depends on the persistence of the active compounds in the animal’s system and on the environment.. Date latest changes:
Rat fleas (Ctenocephalides spp.) are small, laterally flattened insects measuring 1–3 mm in length. Their bodies are covered with comb-like spines that facilitate movement through dense fur. Adults possess long, powerful hind legs adapted for jumping up to 150 mm, enabling rapid transfer between hosts.. Date latest changes:
Temperature determines the cessation of tick activity. As ambient warmth declines, ticks become less active and eventually stop questing for hosts. In most temperate zones, questing ceases when daytime highs consistently fall below 10 °C (50 °F).. Date latest changes:
What do flea bites look like on a dog?
Flea bites on canines appear as small, red or pink papules, typically 2–4 mm in diameter. The lesions often have a raised centre and may be surrounded by a faint, lighter halo. Individual bites can merge into clusters, forming linear or irregular patterns, especially along the neck, base of the tail, and lower abdomen.. Date latest changes:
What should you do if a cat is bitten by a tick?
Ticks are small arachnids, not insects. An unfed adult female measures 3–5 mm in length, expanding to 10 mm when engorged. Males are slightly smaller, 2–3 mm, and remain relatively flat after feeding. The body consists of two main sections: the anterior capitulum (mouthparts) and the posterior idiosoma, which bears a hard shield called the scutum.. Date latest changes:
How to give a dog a tablet for ticks?
Choosing the right oral tick tablet for a dog requires attention to several critical factors. First, identify the active ingredient. Common options include afoxolaner, fluralaner, sarolaner, and imidacloprid. Each compound targets ticks differently;. Date latest changes:
Where can I buy Hector powder for bedbugs?
Hector powder for bed‑bug control contains a blend of pyrethrin‑based insecticide, a synergistic enhancer, and a desiccant. The primary active components are: Pyrethrins – natural extracts from Chrysanthemum cinerariifolium. Piperonyl butoxide (PBO) – a synergist that blocks metabolic detoxification.. Date latest changes:
How can you check for lice on hair?
The life cycle of head‑lice determines the most reliable moments for visual examination. An adult female lays 5–10 eggs (nits) each day, attaching them firmly to hair shafts within 1 mm of the scalp. Eggs hatch after 7–10 days, releasing nymphs that resemble miniature adults but lack reproductive capability.. Date latest changes:
How to remove outdoor fleas from an apartment?
Fleas thrive in environments that provide moisture, shelter, and a steady source of blood. Recognizing these outdoor sites is essential for preventing infestations inside a dwelling. Typical outdoor locations where fleas develop include: Low, dense grass and lawn edges where humidity remains high.. Date latest changes:
How to safely detach a tick: best practices?
Tick bites introduce a range of pathogenic agents capable of causing acute and chronic illness. Prompt removal reduces exposure time, yet understanding the health threats informs preventive action. «Lyme disease» – spirochete Borrelia burgdorferi ;. Date latest changes:
How can you detect bedbugs in a mattress?
Bed bugs (Cimex lectularius) are small, wing‑less insects belonging to the order Hemiptera. Adults measure 4–5 mm in length, have a flattened, oval body, and display a reddish‑brown coloration after feeding. Their life cycle includes egg, five nymphal stages, and adult, each requiring a blood meal to progress.. Date latest changes:
What does a flea collar for cats look like?
A cat flea collar is a circular band, typically 1 – 2 inches (2.5 – 5 cm) wide, that wraps snugly around the animal’s neck. The outer surface is made of fabric, rubber, or silicone, often coated with a glossy or matte finish. Common colors include black, blue, green, pink, or patterned designs that blend with the cat’s coat.. Date latest changes:
Can a person have fleas from a cat?
Fleas are small, wing‑less insects belonging to the order Siphonaptera. Adults measure 1–4 mm, possess laterally compressed bodies, and are covered with hard, spiny exoskeletons that facilitate movement through host fur. Their mouthparts form a piercing‑sucking stylet, enabling rapid blood extraction from mammals and birds.. Date latest changes:
What to treat a dog with for ticks and fleas?
Flea‑borne illnesses present a significant health risk for dogs and can spread to humans. Effective control of fleas therefore protects against a range of infections. Common flea‑borne diseases in dogs include: Bartonellosis (cat‑scratch disease) – fever, lymphadenopathy, occasional anemia.. Date latest changes:
What should you do if a tick is crawling but hasn't bitten?
Ticks that are moving on the skin yet have not attached display a distinct set of visual markers. They are typically oval, flattened dorsally, and range from 2 mm to 5 mm in length before engorgement. The body is divided into two main sections:. Date latest changes:
Which products effectively poison bedbugs?
Bed‑bug eradication demands a coordinated approach because infestations persist in concealed cracks, mattress seams, and wall voids where insects avoid direct contact with treatments. Resistance to common neurotoxic insecticides limits the effectiveness of single‑product applications;. Date latest changes:
What does it mean when a married woman dreams of lice?
Dreams featuring lice often symbolize concerns about cleanliness and personal neglect. In the psyche, parasites represent unwanted intrusions that thrive in unclean environments; their presence in a dream signals the dreamer’s perception of disorder or lack of care in some aspect of life.. Date latest changes:
What is a subcutaneous tick and how can it be recognized?
Subcutaneous mites are arthropods that inhabit the dermal layer of their hosts, often causing localized inflammation and tissue reaction. Their classification is based on morphology, host preference, and life‑cycle stage that penetrates the skin.. Date latest changes:
Are dogs infested with fleas or lice, and how can I differentiate them?
Fleas progress through four distinct stages: egg, larva, pupa, and adult. Female fleas lay 20–50 eggs daily on the host’s skin; eggs fall off into the environment, where they hatch within 2–5 days under warm, humid conditions. Larvae emerge as blind, worm‑like insects, feeding on organic debris and adult flea feces.. Date latest changes:
What to do if a tick head remains in the skin?
After extracting a tick, verify that no mouthparts or other fragments are still embedded. Even a tiny remnant can cause irritation or infection, so thorough assessment is essential. Examination steps: Clean the area with antiseptic. Observe the site under good lighting;. Date latest changes:
How can you remove ticks from a dog at home?
Lyme disease is a bacterial infection transmitted by the bite of infected ticks, primarily the black‑legged (Ixodes scapularis) species. When a dog carries a tick, the risk of Borrelia burgdorferi transmission increases, especially if the tick remains attached for more than 24 hours.. Date latest changes:
Is colonization of lice on dyed hair possible?
Nits are the eggs of head‑lice (Pediculus humanus capitis). Each nit is cemented to a single hair shaft by a proteinaceous glue that hardens within minutes after oviposition. The glue’s composition is resistant to water, sweat, and most mechanical disturbances, allowing the egg to remain attached until hatching, typically after 7–10 days at room temperature.. Date latest changes:
What are bedbugs and what are their basic characteristics?
The bedbug (Cimex lectularius) is a hematophagous insect whose evolutionary lineage traces back to the early Cretaceous period, as evidenced by fossilized specimens preserved in amber. Its earliest documented presence appears in ancient Egypt, where hieroglyphic depictions and burial records suggest a long‑standing association with human dwellings.. Date latest changes:
How should doxycycline be taken after a tick bite?
Proper removal of a tick is the first critical step before initiating any antibiotic regimen for a suspected tick‑borne infection. Incomplete extraction leaves mouthparts embedded in the skin, increasing the risk of pathogen transmission and local inflammation.. Date latest changes: