Larva ID Tips: Beetles

Caution: There is a lot of variety in larval forms, and they are difficult to identify. Here are a few tips.

Larvae have a well-developed head with chewing mouthparts. The abdomen does not have prolegs, but may have gills.

Figure 8.14: Dytiscid larva. Image from URL: http://bugguide.net/node/view/261612

Figure 8.H: Dytiscid larva.
Image from URL: http://bugguide.net/node/view/261612

Figure 8.15: Peltodytes larva and adult (Haliplidae). Image from URL: http://watermonitoring.uwex.edu/

Figure 8.I: Peltodytes larva and adult (Haliplidae).
Image from URL: http://watermonitoring.uwex.edu/

Figure 8.16: Riffle Beetle larvae and adults (Elmidae). Image from URL: http://bugguide.net/node/view/261612

Figure 8.J: Riffle Beetle larvae and adults (Elmidae).
Image from URL: http://bugguide.net/node/view/261612

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The MSP project is funded by an ESEA, Title II Part B Mathematics and Science Partnership Grant through the Montana Office of Public Instruction. MSP was developed by the Clark Fork Watershed Education Program and faculty from Montana Tech of The University of Montana and Montana State University, with support from other Montana University System Faculty.