Is the cigarette beetle dangerous?

No. It doesn't bite, sting, or spread disease, and it causes no structural damage. The only harm is food contamination — infested spices, herbs, and pet food must be discarded. For any concern about accidentally consuming infested or moldy food, contact the Northern New England Poison Center at 1-800-222-1222, available 24/7 for NH, Maine, and Vermont. (UMN Extension pantry pest guidance.)

What food is actually infested?

Red ground spices (paprika, chili, cayenne, curry) and dried herbs are the most common hosts, followed by pet food, birdseed, cereals, and dried flowers. Tobacco products (including older pipe tobacco and cigars) are also a classic source. Start your search with spices that have been sitting for several months; pour contents onto a white plate under a bright light to check for larvae, cast skins, or fine debris. (Penn State Extension.)

How do I get rid of cigarette beetles?

Find and discard the infested source package — seal it in a plastic bag and remove it from the house. Vacuum and wipe down the shelf where it was stored. Transfer all remaining dry goods to airtight glass or metal containers. Use pheromone traps to confirm where activity is concentrated. If beetles persist after three weeks of cleanup, a hidden source remains and a licensed technician should inspect. Spraying is not recommended near food areas. (UC IPM pantry pest guidance; UNH Extension.)

How do I prevent a cigarette-beetle reinfestation?

Switch to airtight glass or metal containers for all spices, herbs, and dried goods — original packaging is inadequate. Keep quantities to what you'll use within 2–4 months. Inspect new dried goods before storing. Refrigerate or freeze seldom-used spices during NH winters when pantry goods sit unused for months. Store pet food and birdseed in separate sealed containers away from food areas. (University of Florida IFAS; UNH Extension.)

How is the cigarette beetle different from the drugstore beetle?

They're near-twins in size (~2–3 mm) and shape (reddish-brown, humpbacked), but the wing covers and antennae differ. Cigarette beetle: smooth wing covers plus uniformly saw-like (serrated) antennae. Drugstore beetle: grooved (striated) wing covers plus antennae ending in a distinct 3-segmented club. The drugstore beetle also has a broader menu — including medications, book bindings, and diverse dried goods — while the cigarette beetle concentrates on spices and dried botanical material. (Penn State Extension.)

Can the cigarette beetle fly?

Yes — adults are strong fliers and are attracted to light. This is why you see them heading toward windows and lamps near the kitchen. Flight also means a beetle found far from the pantry may have flown from a source in another room. If you see beetles flying to lights, begin searching the nearest food storage immediately rather than assuming they're coming from outside. (University of Florida IFAS.)

Are the small holes in my spice packaging from cigarette beetles?

'Shot holes' — small, round entry or exit holes — are a classic sign of cigarette beetles (and related pantry beetles). Adults chew through packaging to enter or emerge. Soft plastic spice bags and thin cardboard boxes provide no barrier; only airtight rigid glass or metal stops them. If a spice bag has tiny round holes with surrounding frass, that's your confirmed source — discard it. (Insects Limited; UC IPM.)

Should I freeze my spices to kill cigarette beetles?

Yes — freezing at 0°F for four days kills all life stages (eggs, larvae, pupae, adults). This is the UNH Extension salvage standard for pantry pests. Seal items in a plastic bag before freezing to prevent condensation when you return them to room temperature. Cold storage also works as a prevention step: keeping seldom-used spices in the freezer prevents beetle development even if insects are present in small numbers. (UNH Cooperative Extension 'Kitchen Pests' fact sheet.)

Do cigarette beetles cause structural damage?

No. Despite being in the same beetle family as wood-boring furniture beetles, the cigarette beetle infests food, not structural wood. It does not bore into timbers, joists, or flooring. The only material risks are to your pantry goods and, in collection environments, to dried botanical specimens and book bindings. For ordinary NH homeowners the concern is limited entirely to the pantry and kitchen. (UMN Extension; University of Florida IFAS.)

Cigarette beetle · Lasioderma serricorne

BeetlesNH resident

Cigarette Beetles in New Hampshire: Spices, Signs & Control

Also called Tobacco beetle

The cigarette beetle is a small, humpbacked, reddish-brown pantry pest that infests dried spices, herbs, pet food, cereal, and tobacco. It doesn't bite, sting, or harm your home — the problem is contaminated food. Find and discard the infested source package (start with red ground spices), clean the shelf, and store dry goods in airtight containers.

At a glance

Adult size: ~2–3 mm (about 1/8 inch), oval, reddish-brown; Penn State Extension; University of Florida IFAS
Key ID vs. drugstore beetle: Smooth wing covers + uniformly serrated (saw-like) antennae; Penn State Extension
Preferred foods: Spices, dried herbs, tobacco, cereals, pet food, dried flowers; Penn State Extension
Life cycle: ~30–100 eggs per female; egg-to-adult ~40–50 days in ideal conditions; Oklahoma State University Extension
Generations per year: 1 generation in colder regions; 5–6 in warm regions; Clemson HGIC
Flight: Strong flier, attracted to light; University of Florida IFAS

The short of it

The beetle in your spice rack — and how to find the one infested jar

If you're finding small reddish-brown beetles near your pantry, especially around spices and dried herbs, the cigarette beetle is the likely culprit. It's a humpbacked, seed-sized pantry pest that infests dried plant material — red ground spices, herbs, pet food, tobacco, and cereals — and it does not bite, sting, or damage your home.

The fix is not spraying. Extension services across the United States, including UNH Cooperative Extension, are clear: for pantry pests, remove and discard the infested source and store food airtight. Insecticides near food are ineffective and can contaminate your pantry.

The diagnostic edge this page provides is the spice-rack source-finder: cigarette beetles have a strong preference for red ground spices — paprika, chili powder, cayenne, curry — and long-stored dried herbs. Start your search there, then move to pet food and birdseed. A close look at suspect packages — pour contents onto a white plate under a bright light — reveals live larvae, cast skins, or fine frass that confirms the source.

Also useful: the smooth-wing-versus-serrated-antenna ID that separates this beetle from its near-twin, the drugstore beetle.

Identify it

How to identify a cigarette beetle — and separate it from the drugstore beetle

The cigarette beetle is tiny, humpbacked, and reddish-brown. The humpbacked profile — head tucked down, thorax arched — is the quickest visual tell. To distinguish it from the nearly identical drugstore beetle, examine the wing covers and antennae under magnification: smooth wing covers plus uniformly serrated (saw-tooth) antennae = cigarette beetle. Grooved wing covers plus a three-segmented clubbed antenna = drugstore beetle.

Species profile

Cigarette beetle

Scientific name: Lasioderma serricorne
Family: Ptinidae (formerly Anobiidae)
Size: ~2–3 mm (approximately 1/8 inch)
Coloration: Reddish-brown to yellowish-brown; fine hairs on wing covers
Habitat: Pantries, spice racks, pet food bags, tobacco, dried flower arrangements, museums
Active season: Year-round in heated NH homes
Diet: Spices, dried herbs, cereals, pet food, tobacco, dried flowers, book paste
Reproduction: ~30–100 eggs per female; egg-to-adult approximately 40–50 days under ideal conditions
Lifespan: Adults approximately 2–4 weeks

Pan-tropical origin; worldwide in heated structures; documented in NH kitchens (UNH Extension)

The tells — key ID features

Humpbacked side profile — head tucked down, thorax arched — the quickest visual tell.
Smooth, fine-haired wing covers with no lengthwise grooves.
Uniformly serrated (saw-tooth) antennae along their entire length.
Small oval reddish-brown body ~2–3 mm; may be mistaken for a tiny fly in flight.
Often seen flying to windows and lights near the kitchen or pantry.
C-shaped, hairy, creamy-white larvae inside infested packages.

Size, to scale

The insect

2–3 mm

Compared to

About the size of a pinhead or a sesame seed

Looks bigger than it is

When flying to lights, small enough to be mistaken for a tiny fly or gnat — look for the humpbacked resting silhouette on surfaces.

Is it actually this? — the confusion species

Drugstore beetle

How to tell — Nearly identical size but drugstore beetle has grooved (striated) wing covers and antennae ending in a distinct 3-segmented club; cigarette beetle has smooth wings and uniformly saw-like antennae.

Furniture beetle (woodborer)

How to tell — Similar family but bores into wood for breeding — not a pantry food pest.

Sawtoothed grain beetle

How to tell — Elongate and flat with six distinct thoracic 'teeth'; the cigarette beetle is humpbacked and oval, not flat with neck projections.

What you'll notice

Signs of a problem

These signs narrow the source from 'somewhere in the pantry' to the specific infested container.

Tiny 'shot holes' in packaging of spices or pet food

What it means — Adults emerged from inside or chewed entry holes — the source is that package.

Small reddish beetles flying to windows or lights near the kitchen

What it means — Adults active nearby; an infested source is close — begin searching the spice rack.

Cast skins, fecal pellets, or pupal cases in dried herbs

What it means — Larval development inside confirmed; the infested package needs to be found and discarded.

Beetles inside long-stored red ground spices (paprika, chili, cayenne, curry)

What it means — Classic cigarette-beetle source — red spices sitting for months are the #1 starting point.

A cigar or cigarette that 'pops' when lit

What it means — A larva inside the tobacco — a quirky but real sign of cigarette-beetle activity.

Webbing-free clumping or fine dust in spice jars

What it means — Larval feeding debris — not webbing (that would be Indian meal moth); beetles have been active in this container.

How much it matters

The real risks, calibrated

The cigarette beetle is a food and property nuisance — not a health threat. The risks are to your pantry goods, not to you.

Overall risk

Low risk

Food contamination

Moderate

Onset: Ongoing while source package exists

Infested spices, herbs, and pet food contain live insects, cast skins, and frass and must be discarded.

Spread to neighboring packages

Moderate

Onset: Within weeks of an unresolved source

Adults fly to adjacent packages; one infested jar can colonize an entire spice rack.

Museum and book damage

Low risk

Onset: Over months in collection environments

Can damage dried botanical collections, insect collections, and book bindings — low risk in typical homes.

Rapid population buildup in warm pantries

Moderate

Onset: Weeks to months

Heated NH pantries can support multiple generations per year, allowing populations to grow quickly.

Biting, stinging, or disease

Low risk

Onset: N/A

None — the cigarette beetle does not bite, sting, or transmit disease and causes no structural damage.

What you can do

DIY — what works, what backfires

The fix for a cigarette-beetle infestation is source removal and airtight storage — not spraying the pantry shelf.

What actually works

Start your inspection with red ground spices — paprika, chili powder, cayenne, curry — and all long-stored dried herbs. Pour suspect contents onto a white plate under a bright light to check for live larvae, cast skins, or fine frass.
Inspect and discard infested packages; seal them in a plastic bag and remove from the house immediately.
Vacuum shelves, cracks, and crevices after removing all packages to clear remaining insects and debris.
Store dry goods in airtight glass, metal, or hard rigid plastic containers — soft plastic and cardboard are inadequate barriers.
Use pheromone traps to identify which area of the pantry the beetles are coming from; replace traps regularly.
Refrigerate or freeze seldom-used spices — cold storage prevents development.

What backfires

Don't spray insecticide on or near food, food surfaces, or pantry shelving — not recommended by extension services and risks contaminating food.
Don't rely on pheromone traps alone to eliminate an infestation; they monitor and catch adults but don't touch larvae in the source.
Don't keep questionable packages 'just to see' — any container with signs of beetles should be discarded promptly.

Local Context

Cigarette beetles in New Hampshire pantries

UNH Cooperative Extension lists the cigarette beetle among the less common (but documented) pantry pests in New Hampshire kitchens. While outdoor populations cannot survive NH winters, heated homes allow year-round breeding — making an unresolved pantry source a multi-generation problem even in January. The UNH food-salvage standard applies: heat suspect food at 130°F for 30 minutes or freeze at 0°F for four days, then repackage in airtight jars. Refrigerating seldom-used spices is a simple NH-specific prevention step for the long winters when pantry goods sit unused for months.

Peak season

Year-round in heated homes; no NH outdoor population in winter

You might actually have

Drugstore beetle (near-twin; smooth wing vs. grooved wing is the separator)
Indian meal moth (moths and webbing, not small hard-bodied beetles)

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Southern New Hampshire

When it's past DIY

When to call a pro for cigarette beetles

If beetles persist for more than three weeks after you've cleaned the pantry and discarded all suspect packages, an undiscovered source remains — often in a less obvious location like dried decorative items, pet food stored in a secondary room, or food debris in cabinet cracks. A licensed technician can locate these hidden sources and treat cracks and crevices with appropriate products. Anchor Pest Services (NH #782664, F1) offers General Pest Control with a free quote and same-day service.

Signals it's past DIY

When to call a pro

Beetles persist more than three weeks after you've discarded suspect food and cleaned the shelves.
You're finding beetles but can't locate any infested source despite a thorough inspection.
The infestation involves a museum, rare book collection, or dried botanical collection requiring specialized care.
Beetles are appearing in a room adjacent to the pantry, suggesting spread to secondary storage areas.

Keep them out — prevention

Airtight containers for all spices and dried goods

Transfer spices, dried herbs, and grain products from their original packaging to airtight glass or metal jars. This is the single most effective prevention step.

NH-specific

Buy small quantities and rotate stock

Keep 2–4 months of spices on hand; discard outdated goods. Red ground spices sitting for a year are a primary risk.

NH-specific

Store pet food and birdseed away from the pantry

Pet food bags and birdseed kept in pantries or mudrooms are frequent unnoticed sources. Store in sealed hard containers in a separate area.

Not sure it's a cigarette beetle?

A licensed NH technician can confirm the species and tell you honestly whether it's a DIY fix or a job for a pro — free inspection, same-day service across Southern New Hampshire.

Get a Free Inspection (603) 785-0118

Common Questions

Frequently asked questions

Sources(8)

[1]
Penn State Extension — Cigarette Beetle
size, smooth wings/serrated antennae ID, major food hosts
extensionverified 2026-06-30
[2]
University of Florida IFAS — Cigarette Beetle (IN153)
size, flight behavior, light attraction
extensionverified 2026-06-30
[3]
University of Florida IFAS EDIS — Cigarette Beetle
biology supplemental
extensionverified 2026-06-30
[4]
Oklahoma State University Extension — Drugstore and Cigarette Beetles
egg count, life cycle 40–50 days
extensionverified 2026-06-30
[5]
Clemson HGIC — Cigarette Beetles
generations per year (1 cold / 5–6 warm)
extensionverified 2026-06-30
[6]
Purdue Extension — E-239 Stored-Product Insects
pantry pest biology overview
extensionverified 2026-06-30
[7]
UNH Cooperative Extension — Kitchen Pests Fact Sheet
NH pantry pest list, salvage standard (130°F/30 min or 0°F/4 days)
extensionverified 2026-06-30
[8]
UC IPM — Pantry Pests
food contamination risks, no-spray guidance
extensionverified 2026-06-30

Written & reviewed by

Verified

Daniel Brady

NH-Licensed Pesticide Applicator · License #782664 (NHDAMF, RSA 430)

Daniel Brady is the New Hampshire–licensed applicator behind Anchor Pest Services, a family-owned pest control company serving the Manchester area since 2017.

Verify license

Last updated 2026-06-30

New Hampshire pest control

Dealing with cigarette beetles in your home?

Anchor Pest Services identifies and handles cigarette beetle problems across southern and central New Hampshire. Family-owned since 2017, NH license #782664.

Get a Free Inspection (603) 785-0118

NH-licensed applicators (#782664)
Same-day service · free inspection
Family-owned since 2017

Keep Exploring

Cigarette Beetles in New Hampshire: Spices, Signs & Control

The beetle in your spice rack — and how to find the one infested jar

How to identify a cigarette beetle — and separate it from the drugstore beetle

The tells — key ID features

Size, to scale

Drugstore beetle

Furniture beetle (woodborer)

Sawtoothed grain beetle

Signs of a problem

Tiny 'shot holes' in packaging of spices or pet food

Small reddish beetles flying to windows or lights near the kitchen

Cast skins, fecal pellets, or pupal cases in dried herbs

Beetles inside long-stored red ground spices (paprika, chili, cayenne, curry)

A cigar or cigarette that 'pops' when lit

Webbing-free clumping or fine dust in spice jars

The real risks, calibrated

Food contamination

Spread to neighboring packages

Museum and book damage

Rapid population buildup in warm pantries

Biting, stinging, or disease

DIY — what works, what backfires

What actually works

What backfires

Cigarette beetles in New Hampshire pantries

When to call a pro for cigarette beetles

Airtight containers for all spices and dried goods

Buy small quantities and rotate stock

Store pet food and birdseed away from the pantry

Not sure it's a cigarette beetle?

Frequently asked questions

Dealing with cigarette beetles in your home?

Your next step

How to Get Rid of Cigarette Beetles

What Attracts Cigarette Beetles to Your House?

How to Get Rid of Drugstore Beetles

Drugstore Beetles in New Hampshire: Signs, Hidden Sources & Control

Spider Beetles in New Hampshire: Not a Spider — Here's the Real ID