Aggressive Hornet

Bald-faced Hornet Removal

Large, aggressive hornets with distinctive white facial markings that build massive aerial paper nests throughout Chicagoland properties, defending them fiercely.

Size

5/8 to 3/4 inch long

Colors

Black with white markings

Peak Activity

Late Summer - Early Fall

Aggression Level

Extremely High

Macro photo of black and white face of wasp looking at viewer
3 ft
Max Nest Size

Bald-faced Hornet Identification & Behavior

Learn to identify these aggressive hornets and understand their dangerous defensive behavior.

Physical Identification

  • Large size (5/8 to 3/4 inch long)
  • Black body with white facial markings
  • White markings on thorax and abdomen
  • Robust, stockier than yellowjackets
  • Distinctive white "bald face"

Nest Characteristics

  • Large, football-shaped paper nests
  • Can reach 24+ inches in height
  • Built 10+ feet high in trees
  • Single entrance hole at bottom
  • Gray, weatherproof paper construction

Aggressive Behavior

  • Extremely territorial and aggressive
  • Will attack repeatedly if threatened
  • Can sting multiple times without dying
  • Guards patrol 25+ feet from nest
  • More aggressive than yellowjackets

Seasonal Activity & Life Cycle

Spring & Early Summer

  • • Queen emerges from hibernation
  • • Begins nest construction in late May
  • • First workers emerge by mid-summer
  • • Nests are small and less aggressive

Late Summer & Fall - DANGER PEAK

  • • Nest reaches maximum size (700+ hornets)
  • • Peak aggressive behavior period
  • • Most stinging incidents occur
  • • Hornets become food desperate
Bald-faced hornet ( Dolichovespula maculata ) Nest on a tree in the park.

EXTREME DANGER: Bald-faced hornets are the most aggressive stinging insect in our area. A single nest can contain 700+ hornets. Never approach nests - call professionals immediately.

Why Professional Removal is Critical

Bald-faced hornet removal is extremely dangerous and should never be attempted by homeowners

Mass Attack Risk

Hundreds can attack simultaneously when nest is threatened

Height Danger

Nests often require ladder work creating fall risks

Protective Gear

Requires full protective suits and specialized equipment

Specialized Tools

Professional-grade chemicals and removal techniques required

Emergency Bald-faced Hornet Removal

Same-day emergency removal of dangerous bald-faced hornet nests throughout Chicagoland. We handle these aggressive hornets safely so you don't have to.

Emergency Response

Same-day service for dangerous nest situations

Maximum Safety

Full protective gear and safety protocols

Guaranteed Results

Complete nest elimination and area treatment