---
title: "American Cockroach vs Brown Marmorated Stink Bug: Who Wins?"
description: "Who would win, American Cockroach or Brown Marmorated Stink Bug? Too close to call: our 3-round simulation gives 51% to 49%."
image: "https://animaltracks.wiki/icon-512.png"
---

# American Cockroach vs Brown Marmorated Stink Bug: Who Would Win?

American Cockroach vs Brown Marmorated Stink Bug is too close to call. Our 3-round simulation gives American Cockroach a 51% chance and Brown Marmorated Stink Bug 49%, which is not enough for either to claim the win.

The simulation puts both animals on neutral ground. In the wild, terrain, the size of the individual animals and plain luck would all change the result.

## Verdict: Too close to call
- **Win probability**: American Cockroach 51%, Brown Marmorated Stink Bug 49%
- **Decisive weapon**: Evenly Matched Evolutionary Countermeasures

### Round 1: Opening Clash & Speed

American Cockroach seizes the opening initiative with superior agility (35 vs 34), circling Brown Marmorated Stink Bug and striking from an advantageous flank.

### Round 2: Clash of Superpowers

An earth-shattering clash as American Cockroach's "Switches from six-legged to four-legged and two-legged running at up to 50 body lengths per second" crashes directly into Brown Marmorated Stink Bug's "A male-produced aggregation pheromone that attracted females, males and nymphs in field trials", sending shockwaves through the arena.

### Round 3: Final Resolution

After three grueling rounds, neither creature can establish a decisive edge. Both combatants retreat to neutral ground with full mutual respect.

## Fighter 1: American Cockroach (*Periplaneta americana*)
- **Superpower**: Switches from six-legged to four-legged and two-legged running at up to 50 body lengths per second
- **Danger Level**: Low
- **Conservation Status**: Not Evaluated
- **Habitat**: Mainly basements, sewers, steam tunnels and drainage systems, worldwide
- **Musical Match**: Hella (Math Rock & Instrumental Virtuoso)
- **Full Dossier**: [Read American Cockroach Profile](https://animaltracks.wiki/animals/american-cockroach/)

## Fighter 2: Brown Marmorated Stink Bug (*Halyomorpha halys*)
- **Superpower**: A male-produced aggregation pheromone that attracted females, males and nymphs in field trials
- **Danger Level**: Low
- **Conservation Status**: Not Evaluated
- **Habitat**: Native to China, Japan, Korea and Taiwan; introduced to North America and Europe, where it turns up in fruit crops and in houses
- **Musical Match**: Florence + The Machine (2010s Pop & Electropop)
- **Full Dossier**: [Read Brown Marmorated Stink Bug Profile](https://animaltracks.wiki/animals/brown-marmorated-stink-bug/)

## Biological Matchup Context
When contrasting American Cockroach against Brown Marmorated Stink Bug, tactical victory depends on physiological engagement range, strike speed, armor density, and chemical or physical defense mechanisms:
- **American Cockroach**: A cockroach that switches to running on four legs, and on two, at up to 50 body lengths per second.
- **Brown Marmorated Stink Bug**: The shield-shaped bug whose name points to its scent glands, a fruit-eating invader from east Asia that has reached North America and Europe.

Pick your own matchup in the interactive arena: [Battle Arena](https://animaltracks.wiki/compare/american-cockroach-vs-brown-marmorated-stink-bug/)

> The Battle Arena is an algorithmic thought experiment for education and entertainment. Never provoke, fight, or disturb animals in the wild.

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