ColeopteraAttelabidae – Leaf Rolling Weevils

Thief Weevil

Pterocolus ovatus

This record describes Pterocolus ovatus (species). Recorded family: Attelabidae. Recorded order: Coleoptera.

Identification and Appearance

Thief Weevil - Pterocolus ovatus
Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Curculionoidea
Family
Attelabidae (Leaf Rolling Weevils)
Subfamily
Pterocolinae
Genus
Pterocolus

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

on many trees and shrubs ; in c. TX, mostly on Quercus buckleyi

Geographic Range

e US to AZ - Map

Diet and Behavior

Diet: kleptoparasite of leaf rolls prepared by various Attelabinae ( Synolabus bipustulatus, Himatolabus pubescens, Homoeolabus analis ):

Life History

Adult waits for an attelabine to complete the nidus [leaf roll], enters it while the leaf tissues are still soft, works its way around the leaf layers, and eats the host's egg (adults of both sexes eat nothing but attelabine eggs)[cite:185010]

Additional species information

Species notes from the sources

Etymology: Pterocolus ovatus (Fabricius 1801)

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Pterocolus ovatus. Species-specific details appear above.

Group overview

Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.

Ecological role of the group

Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.

Economic and practical significance of the group

Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.

Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.

Explore Coleoptera families and species →

Photos of Thief Weevil (5)

Thief Weevil - photo 1
Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera
Thief Weevil - photo 2
Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera
Thief Weevil - photo 3
Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera
Thief Weevil - photo 4
Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera
Thief Weevil - photo 5
Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera

Photo credits: Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera

Frequently Asked Questions About Thief Weevil

How big is Thief Weevil?

2.0-3.7 mm

Where is Thief Weevil found?
FeatureDetails
Habitaton many trees and shrubs ; in c. TX, mostly on Quercus buckleyi
Rangee US to AZ - Map
What does Thief Weevil eat?

The diet of the Thief Weevil includes kleptoparasite of leaf rolls prepared by various Attelabinae ( Synolabus bipustulatus, Himatolabus pubescens, Homoeolabus analis ):.

What is the life cycle of a Thief Weevil?

Adult waits for an attelabine to complete the nidus [leaf roll], enters it while the leaf tissues are still soft, works its way around the leaf layers, and eats the host's egg (adults of both sexes eat nothing but attelabine eggs)[cite:185010]

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Jim McClarin; Additional contributions by Chuck Entz , Mike Quinn , ceiseman , v belov , metrioptera. Contributors retain copyright over their individual contributions.