Jérôme Constant

ORCID: 0000-0003-0254-0863
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Research Areas
  • Phytoplasmas and Hemiptera pathogens
  • Fossil Insects in Amber
  • Orthoptera Research and Taxonomy
  • Hemiptera Insect Studies
  • Insect-Plant Interactions and Control
  • Plant and animal studies
  • Cocoa and Sweet Potato Agronomy
  • Hymenoptera taxonomy and phylogeny
  • Lepidoptera: Biology and Taxonomy
  • Insect and Arachnid Ecology and Behavior
  • Mosquito-borne diseases and control
  • Insect and Pesticide Research
  • Entomopathogenic Microorganisms in Pest Control
  • Animal Behavior and Reproduction
  • Amphibian and Reptile Biology
  • Plant and Fungal Species Descriptions
  • Species Distribution and Climate Change
  • Research on scale insects
  • Plant Virus Research Studies
  • Collembola Taxonomy and Ecology Studies
  • Insect symbiosis and bacterial influences
  • Coleoptera Taxonomy and Distribution
  • Forest Insect Ecology and Management
  • Coleoptera: Cerambycidae studies
  • Freshwater macroinvertebrate diversity and ecology

Institute of Natural Sciences
2016-2025

Institute of Entomology
2024

Two new species of the genus Gergithoides Schumacher, 1915 (Issinae, Hemisphaeriini), G. gnezdilovi sp. nov. from Bidoup-Nui Ba National Park in Central Vietnam and nui Pia-Oac North Vietnam, are described. These only formally recorded to date. Habitus, details male genitalia illustrated a distribution map is provided. Four females representing three or four additional species, known only, mentioned illustrated. Taxonomic biogeographical updates based on thorough review literature proposed...

10.5852/ejt.2017.296 article EN cc-by European Journal of Taxonomy 2017-03-10

A new species of the genus Birdantis Stål, 1863 (Hemiptera: Fulgoridae), B. bhaskarai sp. nov. from Larat Island (Tanimbar), is described. collaris (Walker, 1870) stat. rev. and trilineata (Schmidt, 1926) are reinstated as valid species, respectively status subspecies junior synonym delibuta 1863. These four well other one previously described Maluku Islands, decens 1863, illustrated their type specimens. An identification key, a distribution map, illustrations habitus details male genitalia...

10.5852/ejt.2018.461 article EN cc-by European Journal of Taxonomy 2018-09-18

The Oriental genus of Eurybrachidae (Hemiptera, Fulgoromorpha) Purusha Distant, 1906 is reviewed and a key to the genera Eurybrachini given. Two new species, P. bellissima sp. nov. vietnamica are described from Myanmar North Vietnam, respectively. rubromaculata proposed as junior synonym reversa (Hope, 1843). All species illustrated, including all type specimens male genitalia for first time. Distribution maps, identification biological data provided. sexual dimorphism in discussed. Five...

10.5852/ejt.2020.602 article EN cc-by European Journal of Taxonomy 2020-02-07

The Australian genus of Eurybrachidae Stål, 1862 (Hemiptera, Fulgoromorpha) Olonia is redescribed and reviewed. Seven new species are described: O. bourgoini sp. nov. (N Queensland, Chillagoe), danielsi Cape York Peninsula), guillaumei Queensland), hochae Undara), monteithi (Queensland), rylandae Chillagoe) soulierae (Queensland). Platybrachys nobilis (Stål, 1863) transferred to the combination comb. nov., proposed. ornata Lallemand, 1928 apicalis (Walker, 1851) removed from 1859 Maeniana...

10.5852/ejt.2018.486 article EN cc-by European Journal of Taxonomy 2018-12-13

Abstract The eggs of stick and leaf insects (Phasmatodea) bear strong resemblance to plant seeds are commonly dispersed by females dropping them the litter. Here we report a novel egg-deposition mode for Phasmatodea performed an undescribed Vietnamese species enigmatic subfamily Korinninae that produces complex egg case (ootheca), containing numerous in highly ordered arrangement. This is most reminiscent cases produced members unrelated insect orders, e.g. praying mantises (Mantodea)...

10.1038/srep07825 article EN cc-by Scientific Reports 2015-01-16
Luis M. P. Ceríaco Eliécer E. Gutiérrez Alain Dubois Cristian Simón Abdala Abdulaziz S. Alqarni and 95 more Kraig Adler Edson A. Adriano Erna Aescht Ishan Agarwal Sabine Agatha Donat Agosti Antônio J. C. Aguiar Jonas José Mendes Aguiar Dirk Ahrens Alexandre Luis Padovan Aleixo Maria Judite Alves Fábio Raposo do Amaral Natalia B. Ananjeva Marcelo Ândrade Marco B D Andrade Franco Andreone Pedro P. U. de Aquino Paula Beatriz Araujo Henrard Arnaud Jairo Arroyave Wolfgang Arthofer Tom Artois Diego Astúa Celso O. Azevedo Justin C. Bagley Diego Baldo Helen M. Barber‐James Eva V. Bärmann Cristiane Bastos‐Silveira Michael F. Bates Aaron M. Bauer Ismael Franz Ricardo C. Benine Daniel J. Bennett Bastian Bentlage Björn Berning Daizy Bharti Cibele Biondo José Luís Olivan Birindelli Theo Blick Giovanni Boano Flávio A. Bockmann Wiesław Bogdanowicz Wolfgang Böhme Enrico Borgo Leo J. Borkin M. C. P Ricardo Roger Bour William R. Branch Cínthia A. Brasileiro Janet K. Braun Gustavo A. Bravo Luc Brendonck Guilherme Renzo Rocha Brito Marcelo R. Britto Paulo Andreas Buckup Daniel Burckhardt Ulrich Burkhardt Stephen D. Busack Luiz Alexandre Campos Alain Canard Eliana M. Cancello Ulisses Caramaschi James M. Carpenter Martin Carr Renan Carrenho Alexandra Cartaxana Máriom A. Carvajal Gervásio Silva Carvalho Marcelo R. de Carvalho Amira Chaabane Cínthia Chagas Prosanta Chakrabarty Kailas Chandra Stylianos Chatzimanolis Indraneil Das Alexandre Uarth Christoff Fabio Cianferoni Santiago Claramunt Dan Cogălniceanu Bruce B. Collette Guarino Rinaldi Colli Timothy J. Colston Werner Conradie Jérôme Constant Reginaldo Constantino Joseph A. Cook Danilo Pacheco Cordeiro Alexandra Marçal Correia F.P.D. Cotterill Brandi S. Coyner Mário Alberto Cozzuol Joël Cracraft Angelica Crottini Giulio Cuccodoro

The question whether taxonomic descriptions naming new animal species without type specimen(s) deposited in collections should be accepted for publication by scientific journals and allowed the Code has already been discussed Zootaxa (Dubois & Nemésio 2007; Donegan 2008, 2009; 2009a-b; Dubois Gentile Snell Minelli Cianferoni Bartolozzi 2016; Amorim et al. 2016). This was again raised a letter supported 35 signatories published journal Nature (Pape 2016) on 15 September 2016. On 25 2016,...

10.11646/zootaxa.4196.3.9 article EN Zootaxa 2016-11-23

The new subgenus Maculergithus subgen. nov. is established to accommodate two species of the genus Gergithus Stål, 1870 (Issinae, Hemisphaeriini): G. (Maculergithus) tamdao et sp. and luteomaculatus from Tam Dao National Park in North Vietnam. Two more Hainan, China, multipunctatus Che, Zhang & Wang, 2007 nonomaculatus Meng 2012 are also placed A fifth yet undescribed erroneously identified as recent papers belongs this subgenus. Illustrations habitus, morphological details male...

10.5852/ejt.2016.198 article EN cc-by European Journal of Taxonomy 2016-05-19

The first record of the genus Sinotympana Lee, 2009 from Vietnam is presented. caobangensis sp. nov. (Hemiptera: Cicadidae) Phia Oac—Phia Den National Park, Cao Bang Province, northern described as new. Photographs an adult male, illustrations male genitalia, a distribution map and biological data for are provided.

10.11646/zootaxa.4664.4.8 article EN Zootaxa 2019-09-05

Two new species and one subspecies of Pharnaciini, belonging to two different genera, are described from Vietnam: Phryganistria Stål, 1875 Phobaeticus Brunner von Wattenwyl, 1907. currently attributed the genus Ramulus Saussure, 1862, magnus (Brunner 1907) R. chinensis 1907), transferred Baculonistria Hennemann & Conle, 2008 comb. nov. longicornis Bi Wang, 1998 yuexiensis Chen He, 1993 represent male female syn. A lectotype is designated for 1907). The now contains three species....

10.5852/ejt.2014.104 article EN cc-by European Journal of Taxonomy 2014-11-27

The genus Otraleus Günther, 1935 is recorded from the Philippines for first time. Four new species, bellemansae sp. nov., O. applai christianae nov. and elizabethae are described highlands of Northwestern Luzon. characters allowing separation hypsimelathrus labanrataensis Soew-Choen, 2016, given. A closely related to Otraleus, Capuyanus gen. with a single C. magwilangi as type-species. An identification key distribution maps provided all species.

10.5852/ejt.2017.265 article EN cc-by European Journal of Taxonomy 2017-01-27

The species group effusus of the genus Pyrops Spinola, 1839 is reviewed and nomenclatural history briefly summarized. One new from eastern Borneo, synavei sp. nov., described. P. gunjii (Satô & Nagai, 1994) stat. nov. proposed as a valid instead subspecies whiteheadi (Distant, 1889). maquilinganus (Baker, 1925) removed placed back into candelaria group. cyanirostris (Guérin-Méneville, 1845) not attributed to any currently defined groups. An illustrated key with addition intricatus...

10.5852/ejt.2015.128 article EN cc-by European Journal of Taxonomy 2015-07-08

The Malagasy genus Belbina Stål, 1863 (Hemiptera: Fulgoridae) is revised, transferred from the Enchophorinae Haupt, 1829 to Aphaeninae Blanchard, 1847, and two new species, B. bourgoini sp. nov. laetitiae nov., are described. Cornelia 1866 proposed as a junior synonym of Belbina. following combinations proposed: bergrothi (Schmidt, 1911) comb. nympha (Stål, 1866) combination foliacea Lallemand, 1950 restored. Aphana madagascariensis Westwood, 1851 redescribed, (Westwood, 1851) proposed....

10.5852/ejt.2014.102 article EN cc-by European Journal of Taxonomy 2014-11-14

A new species of cicada, Orientopsaltria dongnaiensis sp. nov., (Hemiptera: Cicadidae) is described from southern Vietnam. Photos the adult, illustrations male genitalia, a distribution map and biological data are provided.

10.11646/zootaxa.4603.3.10 article EN Zootaxa 2019-05-10

A new giant species of the subfamily Rhynchoproctinae with strikingly bi-coloured, red-yellow legs contrasting a black body is described: Alienostreptus bicoloripes sp. nov. from Vietnam. The assigned to genus Pimvichai, Enghoff & Panha, 2010 hitherto comprising one species, A. alienus (Attems, 1936), and differing other rhynchoproctine genera by having femoral spine duplicated. Species this share three synapomorphic characters subfamily, viz (1) anterior coxal fold forms deep concavity...

10.5852/ejt.2020.722.1129 article EN cc-by European Journal of Taxonomy 2020-10-20

All extant species of the planthopper genus Limois Stål (Hemiptera: Fulgoromorpha: Fulgoridae) were studied. One new species, sordida sp. nov., is described and illustrated from China. Six known are re-described photos illustrations male genitalia provided. A key to all this also given.

10.5852/ejt.2020.720.1113 article EN cc-by European Journal of Taxonomy 2020-10-07

The species of the genus Polydictya Guérin-Méneville, 1844 from Sulawesi and adjacent islands are reviewed three new described: P. bantimurung sp. nov. (Sulawesi), basirubra (Sulawesi, Wowoni Buton) pelengana (Peleng). An identification key for 6 recorded in area is given. Habitus, detailed illustrations a distribution map provided all species. male genitalia illustrated described, thanatos Chew Kea Foo, Porion & Audibert, 2010 figured described first time. now contains 24

10.5852/ejt.2015.110 article EN cc-by European Journal of Taxonomy 2015-01-26

The new genus Lobofemora gen. nov. is described from Vietnam to accommodate three species: L. bachmaensis sp. (Bach Ma National Park, central Vietnam), bidoupensis (Bidoup-Nui Ba Vietnam) and scheirei nov., the type species (Cat Tien Park Dong Nai Biosphere Reserve, south Vietnam). It provisionally placed in tribe Clitumnini Brunner von Wattenwyl, 1893. only known which shows tegmina sometimes alae males. Females show conspicuous foliaceous lobes on median femora. Males females of all eggs...

10.5852/ejt.2015.115 article EN cc-by European Journal of Taxonomy 2015-03-10

Datua brevirostris Lallemand, 1959 is transferred to the genus Egregia Chew Kea Foo, Porion & Audibert, 2011 in Aphaeninae and new combination (Lallemand, 1959) comb. nov. proposed. marpessa 2011, type-species of Egregia, synonymized with 1959). A second species, laprincesse sp. described from Sumatra, extending distribution hitherto recorded only Borneo. Distribution maps an identification key are provided. The male genitalia E. illustrated described. Schmidt, 1911 now contains a single...

10.5852/ejt.2014.92 article EN cc-by European Journal of Taxonomy 2014-08-05

The clavatus group of Pyrops Spinola, 1839 is reviewed and redefined. new combination atroalbus (Distant, 1918) comb. nov. proposed, as reinstated a full species from status subspecies watanabei (Matsumura, 1913). nigripennis (Chou & Wang, 1985) mizunumai (Sato Nagai, 1994) are proposed junior synonyms P. (Westwood, 1839). Philippine polillensis (Baker, 1925) removed the not attributed to any currently defined groups. Hence, restricted continental Southeast Asia Taiwan contains three...

10.5852/ejt.2017.305 article EN cc-by European Journal of Taxonomy 2017-03-27

Abstract Stick and leaf insects (Phasmatodea) are large terrestrial herbivorous arthropods known for masquerading as plant parts such bark, twigs leaves. Their evolutionary history is largely shaped by convergent evolution associated with adaptive radiations on geographically isolated landmasses that have repeatedly generated ground‐dwelling ecomorphs. The members of one lineage, however, the Oriental Heteropterygidae, morphologically rather uniform, a predominantly lifestyle. phylogeny...

10.1111/syen.12472 article EN cc-by-nc Systematic Entomology 2021-02-23

A new species of the genus Multinervis Li & Li, 2013, phongdienensis sp. nov. , is described from two locations in Central Vietnam, Thưa Thien-Hue Province: Bach Ma National Park and Phong Dien District. It represents a second for fauna where type species, M. guangxiensis has also previously been recorded Northern Vietnam. Illustrations, differential diagnosis to distinguish distribution map are provided. characterized by absence forewing crossveins claval region, reduced subgenital...

10.3897/zookeys.1233.136519 article EN cc-by ZooKeys 2025-03-26

The mutualistic interspecific relationships of trophobiosis between trophobiont planthoppers (Hemiptera, Fulgoromorpha) providing food to the host called xenobiont, are reviewed. degree these symbionts varies from occasional or short time duration (a few hours a days) longer ones, with trophobionts left free escape (optobiotic type) by maintained enclosed in nests ant shelters (cryptobiotic type). Of 267 collected cases, 126 new illustrated observations. Occasional is documented 13 families...

10.3390/d15030356 article EN cc-by Diversity 2023-03-01
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