Resolving the confused identity of Frankliniella panamensis (Thysanoptera: Thripidae)

Gunawardana, Disna N.; Li, Dongmei; Masumoto, Masami; Mound, Laurence A.; O’Donnell, Cheryle A.; Skarlinsky, Thomas

doi:10.11646/zootaxa.4323.1.10

Cited by 10 publications

(7 citation statements)

References 11 publications

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“…To account for any potentially species-level genetic difference, using COI barcoding [ 36 , 43 , 44 ], our molecular data indicated that the NL and DE populations were both F. occidentalis . The divergence between them at 1.18% was consistent with intraspecific variation in WFT reported elsewhere typically as 2–3% [ 43 , 45 ], while inter-species divergences of closely related species of the genus Frankliniella and other thrips genera were generally around 10–21% [ 43 , 45 , 46 ], although it can be as low as 4.4% for cryptic species like some of those found in the genus Pseudophilothrips [ 46 ]. Caution about species status was also driven by the evidence building for F. occidentalis as a cryptic species complex, revealing clades for “glasshouse” and “lupin” through COI barcoding [ 36 , 45 ], which exhibit reproductive and developmental differences and cause varying levels of crop damage [ 47 ].…”

Section: Discussionsupporting

confidence: 86%

“…The divergence between them at 1.18% was consistent with intraspecific variation in WFT reported elsewhere typically as 2–3% [ 43 , 45 ], while inter-species divergences of closely related species of the genus Frankliniella and other thrips genera were generally around 10–21% [ 43 , 45 , 46 ], although it can be as low as 4.4% for cryptic species like some of those found in the genus Pseudophilothrips [ 46 ]. Caution about species status was also driven by the evidence building for F. occidentalis as a cryptic species complex, revealing clades for “glasshouse” and “lupin” through COI barcoding [ 36 , 45 ], which exhibit reproductive and developmental differences and cause varying levels of crop damage [ 47 ]. Sub-specific genetic differences, which may or may not have resulted in the observed behavioural responses of these two populations, is nonetheless possible.…”

Section: Discussionsupporting

confidence: 86%

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Colour Response in Western Flower Thrips Varies Intraspecifically

Lopez-Reyes

Armstrong

Teulon

et al. 2022

Insects

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Discrepancies in the published research as to the attraction of the economically important pest western flower thrips (WFT) to different colours confounds the optimisation of field traps for pest management purposes. We considered whether the different experimental conditions of independent studies could have contributed to this. Therefore, the behavioural response (i.e., landings) to different colour cues of two WFT laboratory populations from Germany (DE) and The Netherlands (NL), which had previously been independently shown to have different colour preferences, were tested in the same place, and under the same experimental conditions. Single-choice wind tunnel bioassays supported previous independent findings, with more of a NL population landing on the yellow LED lamp (588 nm) than the blue (470 nm) (p = 0.022), and a not-statistically significant trend observed in a DE population landing more on blue compared to yellow (p = 0.104). To account for potential original host rearing influences, both populations were subsequently established on bean for ~20 weeks, then yellow chrysanthemum for 4–8 and 12–14 weeks and tested in wind tunnel choice bioassays. Laboratory of origin, irrespective of the host plant rearing regime, remained a significant effect (p < 0.001), with 65% of the NL WFT landing on yellow compared to blue (35%), while 66% of the DE WFT landed on blue compared to yellow (34%). There was also a significant host plant effect (p < 0.001), with increased response to yellow independent of laboratory of origin after rearing on chrysanthemum for 12–14 weeks. Results suggest that differing responses of WFT populations to colour is, in this case, independent of the experimental situation. Long-term separate isolation from the wild cannot be excluded as a cause, and the implications of this for optimising the trap colour is discussed.

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Section: Discussionsupporting

confidence: 86%

Section: Discussionsupporting

confidence: 86%

Colour Response in Western Flower Thrips Varies Intraspecifically

Lopez-Reyes

Armstrong

Teulon

et al. 2022

Insects

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“…3-A). The use of nuclear and mitochondrial markers as an accurate method to infer speciation has been reported previously (Bensch et al 2004;Gunawardana et al 2017), using COI sequences successfully separated F. panamensis from F. occidentalis, which are two morphological similar species; moreover, these authors also found two different clades within their F. occidentalis specimens, which was similar to our results. We need to study and analyse more specimens from the species F. occidentalis, including specimens collected from other plant hosts, as F. occidentalis is considered polyphagous (Lewis 1997).…”

Section: Discussionsupporting

confidence: 91%

Species diversity of thrips (Thysanoptera) in selected avocado orchards from Mexico based on morphology and molecular data

Bravo-Pérez

Santillán-Galicia

Johansen-Naime

et al. 2018

Journal of Integrative Agriculture

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Avocado is one of the most important crops in the world, and Mexico is the largest producer of this fruit. Several insect pests affect its production, and thrips are amongst the most important. A key step in the design of control methods is accurate species identification. Despite this, formal reports on species diversity of thrips in Mexico are very scarce. Morphological identification can sometimes be time-consuming and inconclusive. Therefore, we explored the species diversity of thrips in Mexican avocado orchards (Michoacan state) based on partial sequences of the mitochondrial gene cytochrome oxidase subunit I (COI). Forty-four specimens were analysed, which represented approximately 8% of all individuals collected from five localities distributed in three Municipalities. All specimens were analysed using the COI marker, and specimens within the genera Frankliniella were also analysed using a marker within the D2 domain of the 28S (28SD2) nuclear ribosomal DNA. Molecular identifications were confirmed using morphological taxonomy. Overall, six genera were found (Neohydatothrips, Scirtothrips, Frankliniella, Arorathrips, Caliothrips and Leptothrips). All genera contained only one species, except Frankliniella, for which there were six species. Data from the two molecular markers suggest the existence of cryptic species within Mexican F. occidentalis populations.

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“…In that genus, some closely similar species such as panamensis and occidentalis, have been shown to differ in the state of this character (Gunawardana et al 2017). During the present study, a total of 13 species of Stenchaetothrips have been examined, and a group of microtrichia on the upper surface of the hind coxae has been observed in each of these, including spinalis.…”

Section: Comparisonsmentioning

confidence: 86%

A new species of Stenchaetothrips (Thysanoptera, Thripidae) from Bamboo, based on morphological and molecular data

Mound

Gunawardana

2017

Zootaxa

Self Cite

503

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Stenchaetothrips martini sp.n. is distinguished from related species on morphological and molecular character states. It is the eleventh species in this genus to be recorded from a species of bamboo, but only the fourth of these 11 species to have a prominent spinula on the mesothoracic furca. Described here from New Zealand, this thrips is presumably introduced from Southeast Asia, together with its host plant, Phyllostachys aurea.

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Resolving the confused identity of Frankliniella panamensis (Thysanoptera: Thripidae)

Cited by 10 publications

References 11 publications

Colour Response in Western Flower Thrips Varies Intraspecifically

Colour Response in Western Flower Thrips Varies Intraspecifically

Species diversity of thrips (Thysanoptera) in selected avocado orchards from Mexico based on morphology and molecular data

A new species of Stenchaetothrips (Thysanoptera, Thripidae) from Bamboo, based on morphological and molecular data

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