Snail-killing Fly Beetle vs Tres Marias Firefly

Side-by-side species comparison

Attribute Snail-killing Fly Beetle Tres Marias Firefly
Scientific Name Drilus flavescens Photinus knabi
Order Coleoptera Coleoptera
Family Drilidae Lampyridae
Size 7-15mm 7-10 mm
Habitat Underground Woodlands
Diet Predators Nectar Feeders
Regions Europe North America, Mexico
Conservation Least Concern Least Concern

Snail-killing Fly Beetle

A brown beetle with soft elytra where males are winged but females are larviform and never develop wings. It specializes in hunting snails.

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Did You Know?

The larva enters a snails shell and slowly consumes it alive over several days before pupating inside the empty shell.

Tres Marias Firefly

A small firefly native to Mexico with a yellowish-green flash. It has a dark body with a pale-bordered pronotum and is found in tropical deciduous forests.

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Did You Know?

Many Photinus species in Mexico remain poorly studied, with their flash patterns and mating behaviors largely undocumented.