Are There Chiggers in Maryland?
Chiggers are very rare or not established in Maryland. These tiny mites prefer the warm, humid deep South and are unable to maintain stable populations in Maryland's cool winters. While a traveler from the South might occasionally carry chiggers into the state, they will not survive or reproduce in Maryland's temperate climate.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Hannemania monticola · Reid Hardin CC BY
- 1
- species recorded
- 1,279
- GBIF records
- June, September
- peak months
Yes, chiggers are in Maryland. Next you'll want:
Real sighting data, source iNaturalist
Only 2 verified observations on iNaturalist of chigger have been logged in Maryland, which fits how rare they are in the state. That low number is itself the most honest answer to whether you are likely to see one here.
Chiggers are very rare or not established in Maryland. These tiny mites prefer the warm, humid deep South and are unable to maintain stable populations in Maryland's cool winters. While a traveler from the South might occasionally carry chiggers into the state, they will not survive or reproduce in Maryland's temperate climate.
Are they in Maryland?
Chiggers are extremely rare in Maryland and do not establish breeding populations in the state. Maryland's climate, while warmer than New England, still has cold winters and moderate summers that are unsuitable for sustained chigger populations. Chiggers require warm, humid conditions year-round to complete their life cycle; Maryland's winters drop below freezing and interrupt that cycle. Occasionally, travelers from the Carolinas or Florida might bring chiggers into Maryland on clothing or equipment, but these would not reproduce or persist. The closest states with established chigger populations are North Carolina and Virginia to the south, and even there they are most common in the warmer Piedmont and coastal regions. If you experience itching after hiking in Maryland, it is far more likely caused by mosquitoes, no-see-ums, or skin contact with irritating plants. For outdoor safety inChigger in Maryland, focus on the pests actually present in the state's forests and grasslands.
How dangerous are they?
Chiggers do not pose a practical danger in Maryland because they are not established there. However, understanding their effects is useful for travelers. When chiggers are present in warmer regions, their larvae attach to skin and feed for several days, causing intense itching, red welts, and mild swelling around the bite site. The itching is the main problem and typically lasts for several days to a week. Chigger bites do not transmit diseases in the United States and do not cause permanent harm. Scratching the bites can lead to secondary bacterial infection, which is the primary complication. No one in Maryland needs to worry about encountering chiggers in the state's parks, forests, or meadows. If you travel south to warmer regions during late summer or fall, you might encounter chiggers, and it is worth knowing how to recognize and treat them. Your time inMaryland wildlifepresents different and more immediate outdoor health concerns.
How to recognize one
Chiggers are tiny parasitic mites, usually smaller than a pinhead. Adults are red or orange-colored, but the only life stage that bites humans is the six-legged larva, which is even smaller and nearly impossible to see without magnification. Most people do not see the mite itself; instead, they notice red welts and intense itching that appear hours or days after exposure. The welts appear as small red bumps or patches, often in clusters around areas where clothing fits snugly, such as the waistband, ankle cuffs, and skin folds. Under a microscope, a chigger larva looks like a tiny eight-legged speck, reddish or orange in color. In warm regions, chiggers live in tall grass, weeds, leaf litter, and brush. They do not jump or fly but crawl onto skin when a person sits or walks through infested vegetation. Since chiggers are not present in Maryland, you will not need to recognize them, but learning aboutwildlife in Marylandwill help you identify actual outdoor pests.
What to do if you are bitten
If you travel south and suspect a chigger bite, wash the affected area thoroughly with soap and water immediately. Clean your fingernails and avoid scratching, as this can introduce bacteria and cause infection. Over-the-counter anti-itch lotions, creams, or calamine can provide relief. Some people find that soaking the area in warm water or applying a cold compress helps reduce itching. Do not use folk remedies like clear nail polish, bleach, sulfur, or heat, as these are ineffective and can damage skin. Wear loose clothing to avoid friction on the irritated areas. The itching typically decreases over several days and usually resolves within a week. If you develop signs of infection such as increasing redness, warmth, swelling, or discharge, seek medical care. This is general information, not medical advice; if you are bitten, call Poison Control at 1-800-222-1222, or 911 if symptoms are severe. Since chiggers do not occur in Maryland, this precaution is mainly relevant formore on Chigger in Marylandduring southern travel.
How to prevent encounters
Prevention of chiggers is not necessary in Maryland, but it is valuable if you travel to warm southern regions. When visiting areas where chiggers are common, wear long pants tucked into your socks and long sleeves to cover your skin. Apply insect repellent containing DEET to exposed areas and to clothing. Avoid sitting directly on grass, leaf litter, or fallen logs in warm, humid areas during late summer and fall. Immediately after leaving potentially infested areas, change your clothes and wash them in hot water. Shower and wash your entire body, paying special attention to waistbands, ankles, and areas where clothes fit tightly. Chiggers are found in vegetation near water, so stay away from the edges of swamps and marshes in warm regions. If you spend time outdoors in Maryland, use mosquito repellent and protective clothing to guard against the state's common biting insects instead. Maryland's outdoor environment requires different preparation and precautions than the deep South.
Where in Maryland and when
Chiggers are not found in any part of Maryland at any time of year. Maryland's climate is too cool for chiggers to establish populations. The state's winter temperatures drop below freezing, which interrupts the chigger life cycle. The state has warm summers, but not the sustained heat and high humidity that chiggers require. Even southern Maryland counties near the North Carolina border, which are warmer than the northern parts of the state, are too far north for chiggers to reliably occur. Spring arrives late, and fall cooling comes early, limiting the warm season to June through early September. Chiggers in warmer regions like the Carolinas, Georgia, and South are most active from August through October, taking advantage of late summer and early fall weather. Maryland's forests, fields, and meadows support many other arthropods, including ticks, mosquitoes, and biting flies, which are the actual outdoor concerns in the state. If you hike or work outdoors in Maryland, prepare for these local pests instead.
Harmless lookalikes
If you experience itching after outdoor time in Maryland, the cause is almost certainly not a chigger but one of several common local pests or conditions. Clover mites are tiny red mites found in grass and low vegetation across Maryland; they are harmless to humans and do not bite. Seed ticks, the six-legged juvenile stage of ticks before their first molt, are sometimes confused with other mites but are not chiggers. Spider mites feed exclusively on plants and do not bite. Mosquitoes are the most common cause of unexplained bumps and itching after outdoor exposure in Maryland, especially near water. No-see-ums, or biting midges, are small flying insects that cause itchy red welts in some people. Exposure to poison ivy or poison oak creates itching and welts that can resemble insect bites. Some people have allergic reactions to plant oils or develop dermatitis from contact with certain vegetation. If you itch after outdoor time in Maryland, look first for these common causes.
Frequently Asked Questions
Q: Are chiggers deadly? A: Chiggers are not deadly. They cause intense itching and discomfort where they attach, but they do not transmit serious diseases in the United States, and bites do not cause permanent damage. The main risk is scratching and developing a skin infection. Q: How common are chigger bites in Maryland? A: Chigger bites are extremely rare in Maryland because chiggers do not establish populations in the state. You should not expect to encounter them. Q: What attracts chiggers to a house? A: Chiggers are outdoor parasites that live in grass and vegetation; they do not infest homes or indoor spaces. They would not survive indoors even in warm regions where they occur outdoors. Q: What should I do if I see one? A: You will almost certainly not see a chigger in Maryland. If you find tiny red mites or experience unexplained itching, consult aMaryland wildlife guideto identify what you have actually encountered. Maryland's outdoor environment presents different insect and wildlife hazards than the warm South.
Plan your trip
Best time to see chigger in Maryland: June, September
See the month-by-month sighting calendar.
Plan your chigger sighting in Maryland
1,279 verified chigger records have been logged in Maryland. See the GBIF records.
Where to look in Maryland
- Antietam National Battlefield · Wildlife Watching, Birdwatching · Find hotels
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Assateague Island National Seashore · Wildlife Watching, Birdwatching · Find hotels
- Captain John Smith Chesapeake National Historic Trail · Wildlife Watching, Birdwatching · Find hotels
- Chesapeake & Ohio Canal National Historical Park · Wildlife Watching, Birdwatching · Find hotels
- Chesapeake Bay · Wildlife Watching · Find hotels
Frequently asked questions
Are they in Maryland?+
Chiggers are extremely rare in Maryland and do not establish breeding populations in the state. Maryland's climate, while warmer than New England, still has cold winters and moderate summers that are unsuitable for sustained chigger populations. Chiggers require warm, humid conditions year-round to complete their life cycle; Maryland's winters drop below freezing and interrupt that cycle. Occasionally, travelers from the Carolinas or Florida might bring chiggers into Maryland on clothing or equipment, but these would not reproduce or persist. The closest states with established chigger populations are North Carolina and Virginia to the south, and even there they are most common in the warmer Piedmont and coastal regions. If you experience itching after hiking in Maryland, it is far more likely caused by mosquitoes, no-see-ums, or skin contact with irritating plants. For outdoor safety inChigger in Maryland, focus on the pests actually present in the state's forests and grasslands.
How dangerous are they?+
Chiggers do not pose a practical danger in Maryland because they are not established there. However, understanding their effects is useful for travelers. When chiggers are present in warmer regions, their larvae attach to skin and feed for several days, causing intense itching, red welts, and mild swelling around the bite site. The itching is the main problem and typically lasts for several days to a week. Chigger bites do not transmit diseases in the United States and do not cause permanent harm. Scratching the bites can lead to secondary bacterial infection, which is the primary complication. No one in Maryland needs to worry about encountering chiggers in the state's parks, forests, or meadows. If you travel south to warmer regions during late summer or fall, you might encounter chiggers, and it is worth knowing how to recognize and treat them. Your time inMaryland wildlifepresents different and more immediate outdoor health concerns.
More wildlife in Maryland