Diversity and Evolution of Hemiptera

A special issue of Diversity (ISSN 1424-2818).

Deadline for manuscript submissions: 31 May 2026 | Viewed by 2330

Special Issue Editors


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Guest Editor
Faculty of Natural Sciences, University of Silesia in Katowice, Bankowa 9, 40-007 Katowice, Poland
Interests: Heteroptera; taxonomy; sensory organs; micromorphology

E-Mail Website
Guest Editor
Faculty of Natural Sciences, University of Silesia in Katowice, Bankowa 9, 40-007 Katowice, Poland
Interests: Aphidomorpha; evolution; mutualism; phylogeny; ecology

Special Issue Information

Dear Colleagues,

At no less than 310 million years old, hemipterans are the fifth largest order of insects and the largest of the Hemimetabola. Over the course of their evolution, they have made a whole series of adaptations to different environments, habitats and lifestyles and they are mainly terrestrial, but some have adapted to aquatic life.

They are mainly sap-sucking herbivores, but many have adapted to carnivory through predation or parasitism. Most species are solitary, but some take care of their broods and may adopt a gregarious, or even quasi-social, lifestyle.
Reproduction is generally based on mating, but many species can be parthenogenetic. The first stage is generally the egg, but some evolutionary lineages are viviparous.

Thanks to their herbivory and dispersal abilities, they spread many serious plant diseases, becoming major agricultural pests, and some hematophagous species can be vectors of deadly human pathogens.

Despite our extensive knowledge of the biological characteristics of this group, there are still gaps in what we know about the morphological and ecological adaptations of certain groups of hemipterans, and these gaps affect our understanding of the evolutionary processes behind the richness and abundance of the species observed.

The aim of this Special Issue is to illustrate significant new discoveries in the study of this order of insects, paying particular attention to biological diversity, zoogeography, fossil data and selection involved in mutualism and morphological adaptations.

Dr. Artur Taszakowski
Prof. Dr. Łukasz Depa
Guest Editors

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Keywords

  • phylogeography
  • mutualism
  • reproduction
  • selection
  • adaptation

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Published Papers (2 papers)

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Research

9 pages, 991 KB  
Article
A New Species of Eocene Whitefly—Gregorites michalskii sp. nov. (Hemiptera, Sternorrhyncha, Aleyrodidae) from Baltic Amber
by Jowita Drohojowska, Anita Gorzelańczyk and Jacek Szwedo
Diversity 2025, 17(7), 487; https://doi.org/10.3390/d17070487 - 16 Jul 2025
Viewed by 1537
Abstract
This paper describes a new species of extinct whitefly in the genus Gregorites Drohojowska & Szwedo, 2024, from the family Aleyrodidae. This species has been identified based on an inclusion in Eocene Baltic amber. This represents the eighth documented species of the genus [...] Read more.
This paper describes a new species of extinct whitefly in the genus Gregorites Drohojowska & Szwedo, 2024, from the family Aleyrodidae. This species has been identified based on an inclusion in Eocene Baltic amber. This represents the eighth documented species of the genus and contributes new data to our knowledge of the disparity and taxonomic diversity of whiteflies in Eocene Baltic amber. The discovery of a further Gregorites species, previously known only from succinite on the western coast of Jutland, raises questions about the amberiferous deposits, their geology and history, and on palaeodistributions of the whiteflies. These are briefly reviewed and discussed. Full article
(This article belongs to the Special Issue Diversity and Evolution of Hemiptera)
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16 pages, 11306 KB  
Article
Unusual Occurrence of Syncytial Epithelia in the Male Accessory Glands of Shore Bugs (Leptopodomorpha in Hemiptera)
by Koji Takeda, Jun Yamauchi, Riku Naoi, Tadashi Ishikawa and Takashi Adachi-Yamada
Diversity 2025, 17(7), 481; https://doi.org/10.3390/d17070481 - 11 Jul 2025
Viewed by 427
Abstract
(1) Background: The insect male accessory gland (MAG) produces seminal fluid components crucial for male reproduction, analogous to the mammalian prostate. While some insect MAGs exhibit binucleate epithelial cells for luminal volume plasticity, the diversity of cellular arrangements and their functional implications across [...] Read more.
(1) Background: The insect male accessory gland (MAG) produces seminal fluid components crucial for male reproduction, analogous to the mammalian prostate. While some insect MAGs exhibit binucleate epithelial cells for luminal volume plasticity, the diversity of cellular arrangements and their functional implications across insects remain largely unknown. (2) Methods: We investigated the cellular architecture of MAG epithelia in various shore bug species (infraorder Leptopodomorpha, Hemiptera) and their mechanisms of multinucleation and potential MAG volume regulation. (3) Results: The MAG epithelia of shore bugs comprise a small number of large, plastic syncytial cells with varying nuclear numbers. We hypothesize that these syncytia facilitate effective MAG volume expansion post-eclosion. Uniquely, MAG shrinkage involves the localized contraction of limited muscle fibers, unlike the systematic contraction of circular muscles in most other insects. We further describe sequential cell fusion during the nymphal stage as the mechanism of multinucleation. (4) Conclusions: The unique syncytial organization of Leptopodomorpha MAG epithelia represents an evolutionary divergence from typical binucleate or mononucleate structures in other insects; it is likely that this enables distinct mechanisms for reproductive fluid storage and evacuation. This study highlights the evolutionary diversity of male reproductive organ morphology and function within insects. Full article
(This article belongs to the Special Issue Diversity and Evolution of Hemiptera)
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