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Updated: Jun 14, 2025
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Phylogeny and evolution of hemipteran insects based on expanded genomic and transcriptomic data
Nan Song1,2, Miao-Miao Wang1, Wei-Chao Huang3
1College of Plant Protection, Henan International Laboratory for Green Pest Control, Henan Engineering Laboratory of Pest Biological Control, Henan Agricultural University, Zhengzhou, Henan, China.
BMC Biology
|September 1, 2024
Summary
This study clarifies Hemiptera insect relationships, revealing Cicadoidea and Cercopoidea as sister groups. It also shows phytophagy as the primary feeding strategy, with predation ancestral in Heteroptera.
Area of Science:
- Entomology
- Evolutionary Biology
- Genomics
Background:
- Hemiptera, a diverse insect order, includes agriculturally and medically significant species.
- High-level relationships among Hemiptera superfamilies remain debated despite research advances.
Purpose of the Study:
- To resolve controversial high-level phylogenetic relationships within the insect order Hemiptera.
- To reconstruct ancestral feeding strategies and estimate diversification times for Hemiptera.
Main Methods:
- Phylogenomic analysis of 64 hemipteran species genomes and 2 transcriptomes.
- Integration of existing genomic and transcriptomic data for 315 species across 27 superfamilies.
- Ancestral state reconstruction and divergence time estimation.
Main Results:
- Confirmed Cicadoidea and Cercopoidea as sister groups, with Membracoidea sister to this clade.
- Resolved relationships within Sternorrhyncha, placing Aleyrodoidea as sister to other Sternorrhyncha.
- Indicated phytophagy as the ancestral feeding strategy for Hemiptera, with predation ancestral for Heteroptera.
Conclusions:
- Expanded phylogenomic data clarified superfamily relationships within Cicadomorpha.
- Divergence time estimates correlate Hemiptera diversification with angiosperm evolution during the Cretaceous period.
- Phylogenetic insights provide a robust framework for understanding Hemiptera evolution.
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