New York State IPM Program

Critters Can Do — Match the Pest and What It Does

Match the critter to what it does — or in one case, what natural force could kill it. (Answer key below.)

critter

can do

mouse 1 eats pests of crops or pollinates them — or both
cockroach 2 emerges from cocoon when it feels vibration of approaching host
aphid 3 makes tunnels within leaves
flea 4 killed by raindrops
wasp 5 squeezes through a hole the size of a dime
leaf miner 6 live weeks — perhaps months — without food
paper wasp

This wasp helps control pests while doing adjunct duty as a pollinator. Photo courtesy Ward Upham, Kansas State University, Bugwood.org.

leaf miner

This chrysanthemum leaf-miner is the larvae of a fly-family pest. Photo courtesy Central Science Laboratory, Harpenden Archive, Bugwood.org.

Answer key:

critter

can do

mouse 5
cockroach 6
aphid 4
flea 2
wasp 1
leaf miner 3

Where the links will take you:

  1. Some large stinging wasps eat crop pests; others help pollinate them. Some do both.
  2. Yes, different researchers say different things. Just know that cockroaches can survive without food for a couple of weeks and maybe much longer. (At need, “food” could include wallpaper paste, envelope glue, and more.)
  3. “For an aphid, a raindrop is something like what a refrigerator would be like falling on us,” said researcher Jeremy McNeil, an entomologist and chemical ecologist at the University of Western Ontario in Canada.
  4. Fleas can live a long time inside the cocoon they pupated in — until they sense a host nearby.
  5. Follow the link to a fun, one-minute video of a fat mouse scrambling through a tiny hole.
  6. Their name (they dig mines, as it were) gives them away — but you’d be surprised at how many different sorts of insects have larvae that burrow through something as thin as a leaf.

Author: Mary M. Woodsen

Pests and pesticides — both can cause harm. How can we protect ourselves the least-toxic way? IPM is the sound, sensible, science-based approach that works wherever you do. The New York State Integrated Pest Management Program develops and offers tested tactics for pests new and old, whether on farms, offices, orchards, schools, parks, vineyards, more.... Wherever you find pests, you find IPM.

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