List of articles № 108

From where did the encephalitis tick originate?

Early historical documents contain descriptions that match modern encephalitis, suggesting a long‑standing interaction between humans and tick‑borne viruses. Ancient Chinese medical texts, such as the Shennong Bencao Jing (c. 1st century CE), record sudden onset of fever, severe headache, and loss of consciousness after exposure to forest environments.. Date latest changes:

What does a female bed bug look like?

Female bed bugs measure approximately 4 mm to 5 mm in length when unfed and can reach up to 7 mm after a blood meal. Their bodies are dorsoventrally flattened, allowing easy movement beneath mattress seams and furniture crevices. The overall silhouette is an elongated oval, broader at the abdomen and tapering toward the head.. Date latest changes:

What should I do if fleas are biting me?

When flea bites cause irritation, the first priority is to clean the skin to reduce inflammation and prevent infection. Wash the area with lukewarm water and mild, fragrance‑free soap. Pat dry with a clean towel; avoid rubbing, which can worsen irritation.. Date latest changes:

Where should flea treatment be applied to cats?

Spot‑on flea products are liquid formulations designed to spread across the cat’s skin and coat, providing systemic protection against fleas and often other parasites. The correct site for application lies on the cat’s dorsal surface, directly at the base of the neck, between the shoulder blades.. Date latest changes:

How to safely crush fleas?

Crushing fleas can expose pets to several health hazards. Direct contact with crushed insects may cause skin irritation, allergic reactions, or secondary infections if the animal scratches the affected area. Inhalation of dust and debris released during crushing can irritate the respiratory tract, leading to coughing, sneezing, or bronchial inflammation.. Date latest changes:

Is it possible to eliminate bedbugs on your own?

Bedbugs are small, wingless insects measuring 4–5 mm in length when unfed and expanding to about 7 mm after a blood meal. Their oval, reddish‑brown bodies are flattened laterally, allowing them to hide in narrow crevices such as mattress seams, baseboard cracks, and furniture joints.. Date latest changes:

Where do tiny fleas come from in a house?

Flea eggs are the first stage of the parasite’s life cycle and the primary source of indoor infestations. Adult female fleas lay eggs after feeding on a host, typically a pet or a human. Each female can deposit several hundred eggs over a few days, releasing them onto the host’s fur or directly onto the surrounding environment.. Date latest changes:

Can a dead tick be tested?

Testing ticks, even after death, supplies data that cannot be obtained from live specimens alone. When a tick is removed and found dead, laboratory analysis can still reveal the presence of pathogens, confirm exposure events, and contribute to broader surveillance efforts.. Date latest changes:

What does a dream about lice mean for a married woman?

A dream in which lice crawl over a married woman’s body often signals distressing emotional patterns. The imagery suggests an invasion of unwanted elements that mirror hidden concerns within the partnership. Feelings of contamination, implying perceived moral or physical impurity.. Date latest changes:

Shampoo or spray: which works better against lice

Nits are the immobile stage of the head‑lice life cycle, firmly attached to hair shafts by a proteinaceous cement. Their size (0.8 mm) and color (white‑to‑tan) allow visual identification, but the cement makes them resistant to mechanical removal and to many topical agents.. Date latest changes:

What do bedbug bites look like: photos and symptoms?

Bedbug bites typically appear on exposed skin that comes into contact with the mattress, bedding, or clothing during sleep. The most frequently affected areas include: Face, especially around the eyes and cheeks Neck and throat Arms, particularly the forearms and wrists Hands, including the backs of the fingers Torso, with a concentration on the upper chest and abdomen Legs, especially the shins and ankles These locations correspond to body parts that are unco. Date latest changes:

What does it mean if you dream that you have lice?

Dreaming of lice often triggers a vivid sense of irritation. The presence of tiny parasites on the scalp creates an immediate feeling of discomfort, reflecting an underlying perception that something small but persistent is invading personal space.. Date latest changes:

What should be used to treat a bed for bedbugs?

The physical makeup of a sleeping surface determines which control methods are viable. A mattress composed of fabric‑wrapped foam or innerspring coils presents seams, tags, and stitching that can conceal insects; these features require treatment capable of penetrating tightly folded material.. Date latest changes:

What should you do if fleas appear in an apartment?

Flea infestations often trigger allergic skin responses, ranging from mild irritation to severe dermatitis. Bites introduce flea saliva, which can act as an allergen, provoking immune-mediated inflammation. Typical manifestations include: Red, itchy papules at bite sites Swelling and warmth surrounding the lesions Blister formation in sensitized individuals Secondary infection from scratching When fleas are detected in a residence, immediate steps are:. Date latest changes:

What does it mean when a woman dreams of a live bedbug?

The subconscious mind translates emotional states into visual symbols during sleep. A living insect that feeds on blood often signals unresolved tension related to personal boundaries, intimacy, or vulnerability. Because the creature is active, the dream emphasizes an ongoing issue rather than a dormant concern.. Date latest changes:

Where do fleas in an apartment come from and how do they appear?

Fleas are small, wing‑less insects belonging to the order Siphonaptera. Adult specimens measure 1–4 mm, possess laterally compressed bodies, and are covered with tough, water‑repellent cuticle. Their hind legs are adapted for rapid jumping, enabling leaps up to 150 times their body length.. Date latest changes:

What color is a spider mite?

Spider mites display a range of pigmentation that aids species identification and indicates physiological status. The most frequently observed tones include: Light to medium green, often the baseline hue for many common species. Yellow‑ish shades, ranging from pale lemon to deep amber, especially in individuals feeding on chlorophyll‑rich foliage.. Date latest changes:

How can you differentiate between a tick and a louse?

Ticks inhabit outdoor environments such as grasslands, forest floor litter, and low vegetation where they await a passing host. Their life cycle consists of four distinct phases: egg, six‑legged larva, eight‑legged nymph, and adult. Each stage requires a blood meal from a vertebrate host before molting to the next stage.. Date latest changes:

Can a scabies mite live in a person's head?

The scabies mite, Sarcoptes scabiei , completes its development on human skin. An adult female burrows into the stratum corneum, creates a tunnel, and deposits 2–3 eggs daily for up to 30 days. The life cycle proceeds as follows: Egg: 2–4 days;. Date latest changes:

Which product is most effective against fleas for cats?

The flea (Ctenocephalides felis) progresses through four distinct stages: egg, larva, pupa, and adult. After a female deposits up to 50 eggs on the host’s fur, the eggs fall into the environment and hatch within 1‑5 days, depending on temperature and humidity.. Date latest changes:

Is dichlorvos toxic to lice and should it be used?

Dichlorvos, chemically identified as O,O‑dimethyl O‑(2,2‑dichlorovinyl) phosphate, belongs to the organophosphate class of insecticides. Its molecular formula C₄H₇Cl₂O₄, molecular weight 221.0 g mol⁻¹, and CAS Number 62‑73‑7 place it among low‑molecular‑weight cholinesterase inhibitors.. Date latest changes:

What should be taken prophylactically after a tick bite?

After a bite from an Ixodes tick in an area where Borrelia burgdorferi is endemic, a single dose of doxycycline is the standard chemoprophylaxis. The regimen consists of 200 mg taken orally within 72 hours of tick removal, provided the tick was attached for at least 36 hours and the patient is not pregnant, lactating, or allergic to tetracyclines.. Date latest changes:

What happens if you crush a bed bug, and what are the risks?

Crushing a bed bug produces a sharp, high‑pitched crack that lasts only a fraction of a second. The sound originates from the rapid rupture of the insect’s exoskeleton, which is composed of chitin reinforced with protein fibers. When pressure exceeds the structural limits of the cuticle, the material shatters, releasing stored elastic energy as an audible snap.. Date latest changes:

How to correctly remove a tick from a person at home?

Ticks attached to human skin may carry bacteria, viruses, and protozoa capable of causing serious illness. The longer a tick remains attached, the higher the probability that pathogens will migrate from the tick’s salivary glands into the host’s bloodstream.. Date latest changes:

How should clothing be treated for bedbugs at home?

Bed bugs regularly use clothing as a means of travel and temporary shelter. Adult insects and nymphs climb onto fabrics while seeking a blood meal, then hide in seams, pockets, and folds where temperature and darkness are optimal. When a person moves from an infested room to another location, the insects can remain attached to garments, allowing the infestation to spread to closets, laundry baskets, and subsequently to other rooms or homes.. Date latest changes:

Which plants work best as herbal remedies against fleas?

The flea’s development proceeds through four distinct stages, each presenting a specific target for botanical control. Egg – Female fleas deposit 20‑50 eggs on the host or in the surrounding environment within 24 hours of feeding. Eggs hatch in 2‑5 days, depending on temperature and humidity.. Date latest changes:

How should eggplants be treated for spider mite in a greenhouse during fruiting?

Spider mite damage on fruiting eggplants appears first as tiny, pale specks on the leaf surface. The specks are usually yellow‑green or bronze and form a stippled pattern that expands as the population grows. Leaf tissue may turn bronzed or develop a mosaic of light and dark patches.. Date latest changes:

What does an encephalitis tick look like?

Encephalitis‑transmitting ticks are small arachnids, typically measuring between 2 mm and 5 mm when unfed. Adult females reach the upper end of this range, while males are slightly smaller. After a blood meal, size can increase to approximately 8 mm, yet the body remains compact.. Date latest changes:

Can vinegar be used to kill bedbugs?

Bedbugs (Cimex lectularius) are hematophagous insects belonging to the order Hemiptera. Adult specimens measure 4–5 mm, possess a flattened dorsal surface, and feed exclusively on warm‑blooded hosts by inserting a proboscis into the skin to draw blood.. Date latest changes:

How can I eliminate chicken bedbugs?

Bedbugs that infest poultry are small, wingless insects measuring 4–5 mm in length. Their bodies are flattened laterally, allowing easy movement through the crevices of coop structures. The dorsal surface displays a reddish‑brown hue that darkens after a blood meal, while the ventral side remains lighter.. Date latest changes:

What happens if a tick bites you?

A tick bite typically produces an immediate, visible response at the attachment site. The skin around the puncture may become red, swollen, and tender within minutes to hours. This localized inflammation results from the tick’s saliva, which contains anticoagulants and irritant proteins that trigger the body’s immune reaction.. Date latest changes:

How to remove a tick using a thread?

Using a thread to extract a tick offers several practical benefits compared with conventional tweezers. The method requires only a single strand of strong, non‑elastic material, making it readily available in field conditions where specialized tools may be absent.. Date latest changes:

How long does a bed bug treatment last?

The durability of a bed‑bug control effort hinges on the specific method applied. Different modalities provide varying lengths of residual activity, influencing how long the infestation remains suppressed after the initial intervention. Chemical sprays (synthetic pyrethroids, neonicotinoids, or desiccant powders) – Immediate knock‑down;. Date latest changes:

Fleas have appeared in the house—what should I do?

Visible fleas are small, dark‑brown insects about 1–3 mm long, laterally flattened, and capable of jumping several inches. Their bodies are segmented, with a hard exoskeleton that reflects light, making them noticeable on skin, pet fur, or fabric.. Date latest changes:

Do fleas transfer from cats to humans?

Cat fleas (Ctenocephalides felis) exhibit a strong preference for felines, exploiting the dense fur, body heat, and blood supply that cats provide. Their mouthparts are adapted to penetrate the thin skin of cats, allowing rapid blood ingestion and efficient reproduction.. Date latest changes:

How can fleas be removed from a room?

Visual inspection is the first decisive step in confirming a flea infestation and directing subsequent control measures. Inspect all areas where pets rest, including bedding, cushions, and fabric-covered furniture. Look for the following indicators:. Date latest changes:

Can bedbugs puncture fabric?

Bedbugs (Cimex species) feed through a highly specialized mouthpart called a proboscis, which houses a set of needle‑like stylets. The maxillae form the outer pair, providing structural support and anchoring the feeding apparatus, while the mandibles constitute the inner pair, acting as true piercing elements.. Date latest changes:

What do fleas fear in a home environment?

Fleas develop from eggs that hatch within hours to days after being deposited in carpets, bedding, or upholstery. The egg stage is the most vulnerable point in the parasite’s life cycle because it lacks protective exoskeleton and relies on environmental stability.. Date latest changes:

What does a tick bite look like on a child's skin?

The “target” or “bull’s‑eye” rash, medically termed erythema migrans, is the most recognizable cutaneous sign of a tick‑borne infection in children. It typically emerges within 3‑30 days after the bite and presents as a concentric lesion centered on the attachment site.. Date latest changes:

What does it mean to dream that you have lice on your head?

Dreaming about lice on the scalp often triggers a visceral sense of discomfort. The immediate reaction is one of irritation, mirroring the physical sensation of something crawling on the skin. This emotional response highlights a perception of personal space being violated and a loss of control over one’s own body.. Date latest changes: