Optical characterization and redescription of the South Pacific firefly Bourgeoisia hypocrita Olivier (Coleoptera: Lampyridae: Luciolinae)

Dimitri Deheyn, Lesley Ballantyne

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5 Citations (Scopus)

Abstract

Bourgeoisia hypocrita Olivier is an atypical species of firefly where males lack light organs in ventrite 7 and havereduced light organs in ventrite 6 and may not produce light at all, while females are flightless and produce a long-lastingglow (up to tens of seconds). Here, photobiology of females is described for the first time. Colour of producedbioluminescence ranges in the green to yellow/green. Spectrum is unimodal peaking at 575'595 nm but more complexthan other fireflies in having two shoulders at 545'550 nm and 600'610 nm. A taxonomic re-examination of the speciesbased on recent collections and type material shows that larvae and adults exhibit a peculiar dark pigmentation.Fluorescence and absorbance of adult extracts indicate this pigmentation could be involved in UV protection, in additionto possibly serving as cryptic camouflage. Fluorescence and absorbance of eggs, which have a light gold colour, indicatethe luminous compound could be used as an antioxidant during this early life stage. Overall, the signal ofbioluminescence shows characteristics of a basal system of flash communication in B. hypocrita, which associates lightproduction not only to visual communication but also possibly to UV and/or free radicals protective mechanisms
Original languageEnglish
Pages (from-to)47-62
Number of pages16
JournalZootaxa
Volume2129
Publication statusPublished - Jun 2009

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Lampyridae
redescriptions
Coleoptera
absorbance
pigmentation
fluorescence
communication
color
free radical
shoulders
antioxidant
gold
egg
larva
antioxidants
larvae
extracts
organ

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title = "Optical characterization and redescription of the South Pacific firefly Bourgeoisia hypocrita Olivier (Coleoptera: Lampyridae: Luciolinae)",
abstract = "Bourgeoisia hypocrita Olivier is an atypical species of firefly where males lack light organs in ventrite 7 and havereduced light organs in ventrite 6 and may not produce light at all, while females are flightless and produce a long-lastingglow (up to tens of seconds). Here, photobiology of females is described for the first time. Colour of producedbioluminescence ranges in the green to yellow/green. Spectrum is unimodal peaking at 575'595 nm but more complexthan other fireflies in having two shoulders at 545'550 nm and 600'610 nm. A taxonomic re-examination of the speciesbased on recent collections and type material shows that larvae and adults exhibit a peculiar dark pigmentation.Fluorescence and absorbance of adult extracts indicate this pigmentation could be involved in UV protection, in additionto possibly serving as cryptic camouflage. Fluorescence and absorbance of eggs, which have a light gold colour, indicatethe luminous compound could be used as an antioxidant during this early life stage. Overall, the signal ofbioluminescence shows characteristics of a basal system of flash communication in B. hypocrita, which associates lightproduction not only to visual communication but also possibly to UV and/or free radicals protective mechanisms",
keywords = "Bioluminescence, Firefly, Photobiology, South Pacific, UV protection, Bourgeoisia",
author = "Dimitri Deheyn and Lesley Ballantyne",
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TY - JOUR

T1 - Optical characterization and redescription of the South Pacific firefly Bourgeoisia hypocrita Olivier (Coleoptera

T2 - Lampyridae: Luciolinae)

AU - Deheyn, Dimitri

AU - Ballantyne, Lesley

N1 - Imported on 12 Apr 2017 - DigiTool details were: month (773h) = June; Journal title (773t) = Zootaxa. ISSNs: 1175-5326;

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N2 - Bourgeoisia hypocrita Olivier is an atypical species of firefly where males lack light organs in ventrite 7 and havereduced light organs in ventrite 6 and may not produce light at all, while females are flightless and produce a long-lastingglow (up to tens of seconds). Here, photobiology of females is described for the first time. Colour of producedbioluminescence ranges in the green to yellow/green. Spectrum is unimodal peaking at 575'595 nm but more complexthan other fireflies in having two shoulders at 545'550 nm and 600'610 nm. A taxonomic re-examination of the speciesbased on recent collections and type material shows that larvae and adults exhibit a peculiar dark pigmentation.Fluorescence and absorbance of adult extracts indicate this pigmentation could be involved in UV protection, in additionto possibly serving as cryptic camouflage. Fluorescence and absorbance of eggs, which have a light gold colour, indicatethe luminous compound could be used as an antioxidant during this early life stage. Overall, the signal ofbioluminescence shows characteristics of a basal system of flash communication in B. hypocrita, which associates lightproduction not only to visual communication but also possibly to UV and/or free radicals protective mechanisms

AB - Bourgeoisia hypocrita Olivier is an atypical species of firefly where males lack light organs in ventrite 7 and havereduced light organs in ventrite 6 and may not produce light at all, while females are flightless and produce a long-lastingglow (up to tens of seconds). Here, photobiology of females is described for the first time. Colour of producedbioluminescence ranges in the green to yellow/green. Spectrum is unimodal peaking at 575'595 nm but more complexthan other fireflies in having two shoulders at 545'550 nm and 600'610 nm. A taxonomic re-examination of the speciesbased on recent collections and type material shows that larvae and adults exhibit a peculiar dark pigmentation.Fluorescence and absorbance of adult extracts indicate this pigmentation could be involved in UV protection, in additionto possibly serving as cryptic camouflage. Fluorescence and absorbance of eggs, which have a light gold colour, indicatethe luminous compound could be used as an antioxidant during this early life stage. Overall, the signal ofbioluminescence shows characteristics of a basal system of flash communication in B. hypocrita, which associates lightproduction not only to visual communication but also possibly to UV and/or free radicals protective mechanisms

KW - Bioluminescence

KW - Firefly

KW - Photobiology

KW - South Pacific

KW - UV protection, Bourgeoisia

M3 - Article

VL - 2129

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EP - 62

JO - Zootaxa

JF - Zootaxa

SN - 1175-5326

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