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Updated: Jun 22, 2026

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
Published on: July 11, 2025
Molecular phylogeny of the assassin bugs (Hemiptera: Reduviidae), based on mitochondrial and nuclear ribosomal genes
Christiane Weirauch1, James B Munro
1Department of Entomology, University of California, 3401 Watkins Drive, Riverside, CA 92521, USA. christiane.weirauch@ucr.edu
Abstract:
The first comprehensive cladistic analysis of Reduviidae, the assassin bugs, based on molecular data is presented and discussed in the context of a recently-published morphological analysis. Assassin bugs are essential components of ecosystems, but also important in agriculture and medicine. Sampling included 94 taxa (89 Reduviidae, 5 outgroups) in 15 subfamilies and 24 tribes of Reduviidae and is based on approximately 3300 base pairs of mitochondrial (16S) and nuclear (18S, 28SD2, 28SD3-5) ribosomal DNA. Partitions of the dataset were aligned using different algorithms implemented in MAFFT and the combined dataset was analyzed using parsimony, partitioned maximum likelihood and partitioned Bayesian criteria. Clades recovered in all analyses, independent of alignment and analytical method, comprise: Cimicomorpha and Reduviidae; Hammacerinae; Harpactorinae; Apiomerini; Peiratinae; Phymatinae; Salyavatinae; Triatominae; Phymatinae+Holoptilinae; the higher Reduviidae (Reduviidae excluding Hammacerinae and the Phymatine Complex); Ectrichodiinae+Tribelocephalinae; (Triatominae+Zelurus)+Stenopodainae. Hammacerinae are rejected as sister group to all remaining Reduviidae in all analyses, as is the monophyly of Reduviinae, Emesinae and Harpactorini. High support values for Triatominae imply that blood-feeding has evolved only once within Reduviidae. Stenopodainae and part of Reduviinae are discussed as close relatives to Triatominae.
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