Comments for InsectoGuide

Comment on Insect and Pest Droppings: An Identification Chart by Greasy Rub Marks Along Skirting Boards

Greasy Rub Marks Along Skirting Boards — Mon, 12 Oct 2026 17:00:08 +0000

[…] unambiguously by size: 3 to 7 mm and tapered for mouse, 12 to 19 mm and capsule shaped for rat. See the droppings chart and rat […]

Comment on Bed Bug Shed Skins: The Evidence That Proves Breeding by Yellow Stains on Bedding: Pest or Not

Yellow Stains on Bedding: Pest or Not — Mon, 12 Oct 2026 13:00:06 +0000

[…] Shed skins nearby. Amber, hollow, translucent, in a range of sizes. These are the strongest available evidence, because a range of sizes means a population growing through stages. See bed bug shed skins. […]

Comment on Bugs Clustering on Outside Walls: What They Want by Stains on Walls From Insects: What Made the Mark

Stains on Walls From Insects: What Made the Mark — Mon, 12 Oct 2026 09:00:20 +0000

[…] Yellowish or orange staining, seasonally, with an acrid smell. Stink bugs and lady beetles that have come indoors to overwinter release a defensive secretion when crushed or disturbed, and it stains porous surfaces. This is an autumn and spring finding, associated with clustering on sunlit walls outside first. See bugs clustering on outside walls. […]

Comment on A Musty Smell in the House: Pest or Damp by Dead Mouse Smell: How Long It Lasts and How to Find It

Dead Mouse Smell: How Long It Lasts and How to Find It — Sun, 11 Oct 2026 17:03:41 +0000

[…] Days one to three. Little or nothing. Some people notice a faint sweetish smell, which is easily confused with the earthy smell covered on a musty smell in the house. […]

Comment on Bugs Behind the Fridge: Why That Spot Specifically by A Sweet Oily Smell: The Cockroach Signature

A Sweet Oily Smell: The Cockroach Signature — Sun, 11 Oct 2026 13:01:52 +0000

[…] What lives behind the fridge and under the kitchen sink cover the two most productive locations. […]

Comment on Bugs Under the Kitchen Sink: What Lives There and Why by A Musty Smell in the House: Pest or Damp

A Musty Smell in the House: Pest or Damp — Sun, 11 Oct 2026 09:02:56 +0000

[…] or a bath. A slow leak at a pipe joint or a failed seal, wetting chipboard that then stays wet. Under the kitchen sink covers what turns up […]

Comment on Pest Evidence: Reading Skins, Webs, Nests, Stains and Smells by Ant Mounds and Hills: Reading the Soil

Ant Mounds and Hills: Reading the Soil — Sat, 10 Oct 2026 17:00:33 +0000

[…] and wasps, and in some cases a small mammal. This is the one to check before doing anything, and the pest evidence chart covers the wider set of traces that turn up […]

Comment on Bird Droppings and Nest Signs on Buildings by Nests in Vents and Soffits: What Is Living in the Gap

Nests in Vents and Soffits: What Is Living in the Gap — Sat, 10 Oct 2026 13:00:05 +0000

[…] Coarse twigs, dry grass, moss, feathers, sometimes mud. A bird. Starlings, house sparrows and jackdaws are the usual occupants in domestic settings, and jackdaws in particular will fill a disused chimney with a remarkable volume of sticks. Look for droppings streaking the wall below and for feathers caught at the edge of the opening. See bird droppings and nest signs on buildings. […]

Comment on Paper Wasp vs Hornet Nest: Telling Them Apart by Mud Dauber Nests on Walls: Should You Remove Them

Mud Dauber Nests on Walls: Should You Remove Them — Sat, 10 Oct 2026 09:00:04 +0000

[…] A social wasp colony has a queen, a worker force, and brood to protect, so it defends the nest collectively and vigorously. That is what makes a yellowjacket nest a genuine hazard, covered on paper wasp compared with hornet nests. […]

Comment on Wasp Nest Identification by Shape by Paper Wasp vs Hornet Nest: Telling Them Apart

Paper Wasp vs Hornet Nest: Telling Them Apart — Fri, 09 Oct 2026 17:00:07 +0000

[…] Wasp nest identification by shape covers the wider set including mud daubers, and bee, wasp and hornet compared covers the insects rather than the structures. […]