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Walaphyllium subgen. nov., the dancing leaf insects from Australia and Papua New Guinea with description of a new species (Phasmatodea, Phylliidae).

ABSTRACT: A new subgenus, Walaphyllium subgen. nov., is described within Phyllium Illiger, 1798 to accommodate three leaf insect species. One of the species included is newly described herein as Phyllium (Walaphyllium) lelantossp. nov. from Papua New Guinea. This new subgenus of Phyllium can be diagnosed by a following combination of features. This new species is compared to the two additional new subgenus members, Phyllium zomproi Größer, 2001 and Phyllium monteithi Brock & Hasenpusch, 2003. Also for the first time the male morphology of Phyllium zomproi is described and illustrated. To conclude, a brief biogeographical view of the leaf insects on either side of the Torres Strait is presented, as well as a key to species and a distribution map to the known species of Phyllium (Walaphyllium)subgen. nov.

SUBMITTER: Cumming RT

PROVIDER: S-EPMC7297813 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Walaphyllium subgen. nov., the dancing leaf insects from Australia and Papua New Guinea with description of a new species (Phasmatodea, Phylliidae).

Cumming Royce T RT Thurman Jessa H JH Youngdale Sam S Tirant Stephane Le SL

ZooKeys 20200609

A new subgenus, Walaphyllium subgen. nov., is described within Phyllium Illiger, 1798 to accommodate three leaf insect species. One of the species included is newly described herein as Phyllium (Walaphyllium) lelantossp. nov. from Papua New Guinea. This new subgenus of Phyllium can be diagnosed by a following combination of features. This new species is compared to the two additional new subgenus members, Phyllium zomproi Größer, 2001 and Phyllium mon ...[more]

PMID: 32577080

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Project description:While the leaf insects (Phylliidae) are a well-supported group within Phasmatodea, the genus Phyllium Illiger, 1798 has repeatedly been recovered as paraphyletic. Here, the Phyllium (Phyllium) celebicum species group is reviewed and its distinctiveness from the remaining Phylliini genera and subgenera in a phylogenetic context based on morphological review and a phylogenetic analysis of three genes (nuclear gene 28S and mitochondrial genes COI and 16S) from most known and multiple undescribed species is shown. A new genus, Cryptophyllium gen. nov., is erected to partially accommodate the former members of the celebicum species group. Two species, Phyllium ericoriaiHennemann et al., 2009 and Phyllium bonifacioi Lit & Eusebio, 2014 morphologically and molecularly do not fall within this clade and are therefore left within Phyllium (Phyllium). The transfer of the remaining celebicum group members from Phyllium Illiger, 1798 to this new genus creates the following new combinations; Cryptophyllium athanysus (Westwood, 1859), comb. nov.; Cryptophyllium celebicum (de Haan, 1842), comb. nov.; Cryptophyllium chrisangi (Seow-Choen, 2017), comb. nov.; Cryptophyllium drunganum (Yang, 1995), comb. nov.; Cryptophyllium oyae (Cumming & Le Tirant, 2020), comb. nov.; Cryptophyllium parum (Liu, 1993), comb. nov.; Cryptophyllium rarum (Liu, 1993), comb. nov.; Cryptophyllium tibetense (Liu, 1993), comb. nov.; Cryptophyllium westwoodii (Wood-Mason, 1875), comb. nov.; Cryptophyllium yapicum (Cumming & Teemsma, 2018), comb. nov.; and Cryptophyllium yunnanense (Liu, 1993), comb. nov. The review of specimens belonging to this clade also revealed 13 undescribed species, which are described within as: Cryptophyllium animatum gen. et sp. nov. from Vietnam: Quang Nam Province; Cryptophyllium bankoi gen. et sp. nov. from Vietnam: Quang Ngai, Thua Thien Hue, Da Nang, Gia Lai, Quang Nam, and Dak Nong Provinces; Cryptophyllium bollensi gen. et sp. nov. from Vietnam: Ninh Thuan Province; Cryptophyllium daparo gen. et sp. nov. from China: Yunnan Province; Cryptophyllium echidna gen. et sp. nov. from Indonesia: Wangi-wangi Island; Cryptophyllium faulkneri gen. et sp. nov. from Vietnam: Quang Ngai and Lam Dong Provinces; Cryptophyllium icarus gen. et sp. nov. from Vietnam: Lam Dong and Dak Lak Provinces; Cryptophyllium khmer gen. et sp. nov. from Cambodia: Koh Kong and Siem Reap Provinces; Cryptophyllium limogesi gen. et sp. nov. from Vietnam: Lam Dong, Dak Lak, and Dak Nong Provinces; Cryptophyllium liyananae gen. et sp. nov. from China: Guangxi Province; Cryptophyllium nuichuaense gen. et sp. nov. from Vietnam: Ninh Thuan Province; Cryptophyllium phami gen. et sp. nov. from Vietnam: Dong Nai and Ninh Thuan Provinces; and Cryptophyllium wennae gen. et sp. nov. from China: Yunnan Province. All newly described species are morphologically described, illustrated, and molecularly compared to congenerics. With the molecular results revealing cryptic taxa, it was found necessary for Cryptophyllium westwoodii (Wood-Mason, 1875), comb. nov. to have a neotype specimen designated to allow accurate differentiation from congenerics. To conclude, male and female dichotomous keys to species for the Cryptophyllium gen. nov. are presented.

Project description:BackgroundSince 2004, the Global Fund-supported National Malaria Control Programme of Papua New Guinea (PNG) has been implementing country-wide free long-lasting insecticidal net (LLIN) distribution campaigns. In 2009, after the first distribution, only 32.5% of the population used a LLIN, mainly due to an insufficient number of nets available. This study investigated changes in mosquito net ownership and use following the continued free distribution of LLINs across PNG.MethodsFive villages from each province and 30 households from each village were randomly sampled in a country-wide household survey in 2010/11. A structured questionnaire administered to household heads recorded information on mosquito net ownership and use alongside household characteristics. Revised ownership and access indicators were applied in the analysis to reveal coverage gaps.ResultsThe survey covered 1,996 households in 77 villages. Ownership of at least one LLIN was reported by 81.8% of households, compared to 64.6% in 2009 (P?=?0.002). Sufficient LLINs to cover all household members (one net per two people) were found in 41.3% of the households (21.4% in 2009, P?<?0.001). Of all household members, 61.4% had access to a LLIN within their household (44.3% in 2009 P?=?0.002), and 48.3% slept under a LLIN (32.5% in 2009, P?=?0.001). LLIN use in children under five years amounted to 58.2%, compared to 39.5% in 2009 (P?<?0.001). Significant regional differences in coverage and changes over time were observed. A recent LLIN distribution was a key determinant of LLIN ownership (adj. OR?=?3.46) while families in high quality houses would frequently not own a LLIN (adj. OR?=?0.09). Residents were more likely to use LLINs than household guests (OR?=?2.04).ConclusionsRepeated LLIN distribution has led to significant increases in mosquito net ownership and use with few regional exceptions. Additional nets are required in areas where access is low, while major efforts are required to encourage the use of existing nets in region where access is high but use remains low. Complementary vector control approaches should also be considered in such settings.

Dataset Information

Walaphyllium subgen. nov., the dancing leaf insects from Australia and Papua New Guinea with description of a new species (Phasmatodea, Phylliidae).

Publications

<i>Walaphyllium</i> subgen. nov., the dancing leaf insects from Australia and Papua New Guinea with description of a new species (Phasmatodea, Phylliidae).

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