The coexistence of two related fig wasp species sharing the same host fig species across a broad geographical area

Deng, Xiaoxia; Liao, Yaolin; Liu, Wanzhen; Yu, Hui

doi:10.1016/j.actao.2022.103885

Cited by 1 publication

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“…Although Wiebes ( 1963 ) also found differences in their antennae, he treated them as subspecies, probably mainly because he found intermediates between the different populations and lacked molecular evidence. Pollen pocket is a very important morphological characteristics to distinguish different wasp species (Deng et al, 2023 ; Weiblen, 2002 ). In this study, the pollen pocket of C. marchali is relatively shorter and wider, whereas those of C. solmsi is slender and seem to carry less pollen (Figure 6a8,b8 ).…”

Section: Resultsmentioning

confidence: 99%

The genetic structuring in pollinating wasps of Ficus hispida in continental Asia

Deng,

Liao,

Wong

et al. 2023

Ecology and Evolution

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The interaction between figs and fig wasps provides a striking example of obligate brood site pollination mutualism. Monoecious figs, constituting independent radiations in each tropical biome, are present in significant proportions worldwide, but in continental Asia, dioecious figs have diverged into various niches, making the region's assemblage remarkably diverse. However, the reproductive success of figs and fig wasps largely depends on the fig wasp dispersal process. Monoecious fig pollinators in continental Asian tropical rain forests exhibit high gene flow of the plant, while many dioecious fig pollinators have a more restricted gene flow. However, there are limited studies on the genetic structure of dioecious Ficus pollinators that pollinate figs with intermediate gene flow. Here, we used molecular methods to investigate the genetic structure of pollinating wasps of the widely distributed dioecious Ficus hispida in China and Southeast Asia. Sequence data from two gene regions were used: the mitochondrial protein‐coding gene cytochrome c oxidase subunit I (COI) and the nuclear 28S genes. Both molecular and morphological results support two fig wasp species at our sampling sites. Our findings suggest that for widely sympatric Ficus species in continental Asia, monoecious figs presenting long gene glow have the fewest fig wasp species, followed by dioecious figs presenting intermediate gene flow, and dioecious figs presenting local gene flow have the most fig wasp species.

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Section: Resultsmentioning

confidence: 99%