Most Popular Links
Lutrochidae Level 1 Level 2
|Key Characters (adult)||
Travertine beetles. Found in streams on submerged or emergent rocks or wood. Body ovate and very convex; body size 2-6 mm; antennae 11-segmented, but very short, segments 3-11 about as long as segments 1+2;
|Key Characters (larva)||
Larvae elongate, tapering; head large; 9 abdominal segments; operculum present, covering retractile gills, 2 hooks present; legs 5-segmented, but short.