List of articles № 61

What do encephalitic and regular ticks look like?

Ticks belong to the class Arachnida and share a tripartite body plan: the capitulum (mouthparts), the idiosoma (main body), and four pairs of legs. Adult size ranges from 1 mm in small species to over 10 mm in large representatives. The dorsal surface may be covered by a hard shield (scutum) in hard‑tick families or lack such a shield in soft‑tick families.. Date latest changes:

How can I kill fleas on a cat at home?

Fleas are small, wingless insects belonging to the order Siphonaptera. They measure 1–4 mm, possess laterally compressed bodies, and can jump up to 150 times their own length. Their mouthparts are adapted for piercing skin and sucking blood.. Date latest changes:

Is it possible to get rid of fleas by washing them away with water?

Fleas possess a hardened exoskeleton composed of chitin, which repels moisture and maintains structural integrity when submerged. The outer cuticle is coated with a thin waxy layer that reduces water absorption, allowing the insect to remain buoyant and active in damp environments.. Date latest changes:

Where are lice located on the human body?

Head lice (Pediculus humanus capitis) inhabit the scalp and hair of humans. Adult insects cling to hair shafts with claws that fit the diameter of a single strand. They position themselves close to the skin surface to access blood from the scalp’s capillaries.. Date latest changes:

What should I do if earth fleas bite?

Earth fleas, commonly known as chiggers, thrive in moist, shaded environments where vegetation is abundant. Typical locations include forest leaf litter, tall grass, low shrubs, and the edges of lawns that receive regular irrigation. They are most prevalent during warm months, especially in regions with high humidity, and can be found in gardens, parks, and agricultural fields where host animals frequent the ground.. Date latest changes:

How to get rid of a tick on a cat at home?

Visual inspection is the primary method for identifying attached ticks on a cat. Early detection prevents skin irritation, infection, and prolonged attachment. The caretaker should follow a systematic approach: Examine the cat’s head, ears, neck, and facial area first, as ticks often attach near the scalp.. Date latest changes:

How to eradicate bedbugs in an apartment yourself?

Bed‑bug bites typically appear as small, red, raised welts that develop within 24–48 hours after a feeding. The lesions are often grouped in a linear or clustered arrangement, reflecting the insect’s habit of probing multiple nearby sites during a single meal.. Date latest changes:

Do lice prefer a clean or dirty scalp?

Pediculus humanus capitis, the head louse, survives by feeding on human blood and laying eggs (nits) close to the scalp. The insect requires a stable temperature, humidity, and access to hair shafts for attachment. These physiological needs are independent of the amount of sebum, dirt, or debris on the scalp.. Date latest changes:

How quickly do bed bug bites heal on a human body?

Bed‑bug bites typically become visible within a few minutes to several hours after the insect feeds. The first sign is a small, flat, reddish spot where the mouthparts penetrated the skin. Often the spot is surrounded by a faint halo of erythema, creating a slightly larger, lighter‑colored ring.. Date latest changes:

Is it possible to completely eliminate bed bugs from an apartment?

Understanding the biology of Cimex lectularius is essential for any attempt to eradicate the pest from a dwelling. The insect progresses through a predictable series of developmental phases, each with distinct vulnerabilities. Egg: oval, translucent, deposited in clusters of 5‑10;. Date latest changes:

During which season are ticks most active and dangerous?

Ticks exhibit distinct seasonal patterns that depend on species, host availability, and climate. Recognizing the most prevalent tick types clarifies which periods pose the greatest health risk. Ixodes scapularis (black‑legged or deer tick) – most active from late spring through early summer;. Date latest changes:

What should you do if nothing works for cat fleas?

When flea control does not succeed, the first area to examine is how products were applied. Incorrect usage can render even the most effective formulas useless. Apply the correct dosage. Measuring devices supplied with the product ensure the proper amount;. Date latest changes:

How can you eliminate furniture bedbugs at home?

Bedbugs are small, reddish‑brown insects measuring 4–5 mm in length when unfed and expanding to about 6 mm after a blood meal. Their oval, flattened bodies allow them to hide in seams, cracks, and fabric folds. Identifying these features on sofas, chairs, or mattresses is essential for effective eradication.. Date latest changes:

How often can a cat be treated with BarS flea drops?

Fleas represent a vector for several serious health conditions that can affect felines and, indirectly, human occupants of the same environment. Prompt and appropriate use of BarS flea drops reduces exposure, yet understanding the risks associated with flea infestations clarifies why consistent treatment intervals are essential.. Date latest changes:

How long after applying drops do fleas die on a cat?

Flea‑killing spot‑on treatments for cats rely on a limited set of active compounds that act rapidly after application. The speed of flea mortality depends on the pharmacodynamics of each ingredient and the absorption pathway through the cat’s skin and bloodstream.. Date latest changes:

How can I eliminate bed bugs from a couch without professional help?

Visual cues provide the most reliable method for locating bed‑bug activity on a sofa. Direct observation reveals the infestation’s extent and directs subsequent actions. Live insects: reddish‑brown, flattened bodies about 4‑5 mm long; often found in creases, seams, and under cushions.. Date latest changes:

What does a tick bite site look like without the tick?

A tick bite that has been detached typically leaves a discrete, erythematous lesion. The mark appears as a solitary, round or oval spot, often 2–5 mm in diameter, with a bright red hue that may be slightly raised. The surrounding skin usually shows no swelling or discharge unless an infection develops.. Date latest changes:

What are the signs of encephalitis after a tick bite in humans and when do they appear?

Tick‑borne encephalitis (TBE) is a viral infection of the central nervous system caused by the tick‑borne encephalitis virus, a member of the Flaviviridae family. The virus circulates in forested regions of Europe and Asia and is transmitted to humans primarily through the bite of infected Ixodes ricinus or Ixodes persulcatus ticks.. Date latest changes:

How can you get rid of pubic lice?

Pubic lice (Pthirus pubis) complete their development on the human body in a predictable sequence. Adult females lay 8‑12 eggs (nits) each day, attaching them to coarse hair shafts near the skin surface. Eggs remain viable for about 7‑10 days, after which the operculum opens and a nymph emerges.. Date latest changes:

How can I remove fleas from a doghouse?

Fleas leave unmistakable evidence in a doghouse, allowing early intervention before an infestation spreads. Small, dark specks on bedding or flooring that resemble pepper and move when disturbed; these are adult fleas. Tiny, reddish-brown specks in the corners of the structure;. Date latest changes:

How to protect yourself from flea bites?

Fleas are small, wing‑less insects belonging to the order Siphonaptera. Adult specimens measure 1–4 mm, possess laterally compressed bodies, and are equipped with powerful hind legs that enable rapid jumping. Their mouthparts are adapted for piercing skin and sucking blood, allowing them to feed on mammals and birds.. Date latest changes:

Where do household fleas come from?

Flea eggs are microscopic, oval, and white, measuring about 0.5 mm in length. Adult female fleas deposit them on the host’s fur during a blood meal; the eggs then fall off onto the animal’s bedding, carpets, or floorboards. Because eggs are not adhesive, they disperse easily, allowing infestation to spread throughout a household.. Date latest changes:

Can a bedbug bite through clothing?

Bedbugs feed using a pair of specialized mouthparts called stylets, which function as coordinated piercing‑sucking instruments. Each stylet is a hollow, needle‑like tube about 0.2–0.3 mm long; one delivers saliva containing anticoagulants, the other draws blood.. Date latest changes:

Why aren't fleas leaving a dog?

Fleas persist on a dog because the early developmental stages are closely tied to the host’s environment. Adult fleas lay eggs on the dog’s coat; the eggs are lightweight and often fall off onto bedding, carpet, or grass where they hatch. The subsequent stages—larvae and pupae—remain in the immediate surroundings, creating a continuous source of infestation that can re‑infest the animal.. Date latest changes:

How can a tick be safely removed from a cat?

Protective «gloves» prevent direct contact with tick saliva, reducing risk of pathogen transmission to the caretaker and minimizing the chance of contaminating the animal’s coat. Disposable nitrile or latex options provide barrier integrity;. Date latest changes:

What does a subcutaneous tick look like in dogs?

Subcutaneous ticks embed beneath the dermis, forming firm, slightly raised nodules that may be only partially visible through the coat. The surrounding skin often shows a localized, non‑inflamed swelling without the characteristic dark, engorged body seen on surface‑attached ticks.. Date latest changes:

What is the chance that a tick is infected?

Ticks that carry pathogens pose a measurable public‑health risk. Studies across North America and Europe show that 10‑30 % of adult Ixodes scapularis and Ixodes ricinus specimens test positive for Borrelia burgdorferi, the agent of Lyme disease.. Date latest changes:

How can you get rid of fleas on the floor of a house?

Fleas leave clear evidence on flooring that signals a developing infestation. Early detection prevents spread to pets, humans, and upholstered surfaces. Typical indicators include: Small, dark specks that resemble pepper, commonly found in carpet fibers or along baseboards.. Date latest changes:

If a tick bites you, when should you have blood tested?

A tick bite can transmit Borrelia burgdorferi, the bacterium that causes Lyme disease. Early detection relies on appropriate timing of serologic assessment. Testing is most reliable after the immune response has produced detectable antibodies.. Date latest changes:

What illnesses can a tick bite cause?

Tick bites represent a direct pathway for pathogen transmission. The attached arthropod inserts saliva containing microorganisms that can establish infection within hours of attachment. Common illnesses transmitted by ticks include: Lyme disease – caused by Borrelia burgdorferi , leading to erythema migrans, joint inflammation, and neurologic involvement.. Date latest changes:

How can I tell a bedbug bite apart from other bites?

Bed‑bug bites typically present as small, raised welts ranging from 1 to 3 mm in diameter. The lesions are usually reddish‑brown and may develop a darker halo as inflammation spreads. A faint, puncture‑like point often marks the center where the insect’s mouthparts entered the skin.. Date latest changes:

How to differentiate a tick bite from other bites?

A tick bite usually presents as a tiny, often unnoticed puncture surrounded by a red halo. The central point may be a darkened, engorged tick still attached or a minute ulceration. After several hours, a smooth, expanding erythema migrans lesion can appear, typically 3–5 cm in diameter, sometimes with a concentric ring pattern.. Date latest changes:

What should I do if a cat licks flea drops?

When a cat ingests topical flea medication, the first signs are often limited to mild physiological responses. These manifestations appear shortly after exposure and typically resolve without intensive intervention. Slight drooling or increased salivation Minor gastrointestinal upset, such as soft stools or occasional vomiting Temporary loss of appetite Mild skin irritation at the application site, including redness or a faint rash Subtle lethargy or reduced activit. Date latest changes:

How can a cat be rescued from fleas?

Recognizing a flea problem begins with observing the cat’s behavior and physical condition. Excessive scratching, especially around the neck, tail base, and hindquarters, often signals irritation caused by parasites. Visible insects moving through the fur or small dark specks—flea feces—indicate active infestation.. Date latest changes:

Tick removed from a person—what should be done next?

After a tick is taken off, the first step is a thorough visual examination of the bite area. Look for any remaining mouthparts embedded in the skin; small fragments can remain unnoticed and may cause infection. Inspect the surrounding skin for redness, swelling, or a rash that extends beyond the immediate bite site.. Date latest changes:

How many days can fleas survive without a food source?

The egg stage of fleas is a non‑feeding phase; embryos obtain all necessary nutrients from the yolk deposited by the adult female. Consequently, the duration an egg can persist without a host is governed solely by environmental conditions rather than a need for external nourishment.. Date latest changes:

How can fleas be eliminated from a cat quickly and effectively?

Recognizing a flea problem in a cat begins with observation of specific clinical signs. Early identification of these indicators allows prompt intervention that removes parasites efficiently and reduces the risk of secondary complications. Intense scratching, especially around the base of the tail and neck Visible flecks of dark, oval‑shaped debris (flea dirt) on the skin or fur Small, red, raised lesions or papules where fleas bite Hair loss or thinning patches, ofte. Date latest changes:

How do special services treat apartments for bedbugs?

Bed bugs (Cimex lectularius) are small, wingless insects that feed exclusively on the blood of warm‑blooded hosts. Adults measure 4–5 mm in length, are reddish‑brown, and become engorged after a blood meal, expanding to about twice their size.. Date latest changes:

Why does itching persist after lice treatment?

Allergic reactions to pediculicide products are a common cause of ongoing pruritus after lice eradication. The active ingredients—permethrin, pyrethrins, malathion, or ivermectin—can trigger hypersensitivity in susceptible individuals. When the immune system identifies these chemicals as foreign, it releases histamine and other mediators, producing redness, swelling, and persistent itching that may last several days.. Date latest changes:

How can I extract bed bugs from a mattress at home?

Bed bugs are small, oval‑shaped insects that flatten when not feeding. Adult specimens measure approximately 4–5 mm in length, about the size of an apple seed, and are reddish‑brown after a blood meal, turning lighter to a tan hue when unfed.. Date latest changes: