Results 51 to 60 of about 16,401 (235)

Sex ratio and spatial distribution of Cycas panzhihuaensis in Sichuan Panzhihua cycad National Nature Reserve

open access: yesPlant Species Biology, EarlyView.
The sex ratio of the endemic gymnosperm Cycas panzhihuaensis is determined by the potential sex‐determining gene MADS‐Y. The study examined the sex dimorphism and spatial distribution of male and female individuals. The genotypic sex ratio of the C. panzhihuaensis population is balanced. Additionally, there is a significant clustering effect in spatial
Yong‐Qiong Yang   +8 more
wiley   +1 more source

Dixella woodi Chaverri & Borkent, 2007 (Diptera, Dixidae): Description of the female and a new record from Peru [PDF]

open access: yesRevista Brasileira de Entomologia
This study provides a description of the female and a redescription of the male terminalia of Dixella woodi Chaverri & Borkent, 2007, which is recorded in Peru for the first time.
Caio Cezar Dias Corrêa   +1 more
doaj   +1 more source

A new species of the dance-fly subgenus Xanthempis Bezzi, 1909 of the genus Empis Linnaeus, 1758 (Diptera: Empididae) from the Caucasus [PDF]

open access: yesКавказский энтомологический бюллетень, 2011
This paper describes one new species Empis shamshevi sp. n. of the subgenus Xanthempis Bezzi, 1909 taken from the Caucasian region of Russia (Krasnodar province). Diagnosis.
S.Yu. Kustov
doaj   +1 more source

A new species of Peckia (Diptera: Sarcophagidae) from Costa Rica : with a note on P. pexata (Wulp) [PDF]

open access: yes, 2000
A new species of Peckia Robineau-Desvoidy is described from the coastal dry forest of Guanacaste Province, Costa Rica, viz., Pechia glyphis sp.n., and a key to the ten species of Peckia known from the area is provided.
Andersson, Magnus, Pape, Thomas
core  

Peaceful giant ground beetles: The genus Tefflus Latreille (Coleoptera: Carabidae) in the Republic of South Africa [PDF]

open access: yes, 2011
Two species of the genus Tefflus Latreille (Coleoptera: Carabidae), commonly known as “peaceful giant ground beetles,” are recorded from the Republic of South Africa: T. carinatus carinatus Klug and T. meyerlei delagorguei Guérin-Méneville.
Mawdsley, Alice S.   +2 more
core   +1 more source

Cossid moths (Lepidoptera: Cossidae) as pests of woody plants – A review

open access: yesAgricultural and Forest Entomology, EarlyView.
Abstract The Cossidae is a worldwide family of macro‐moths popularly known as carpenter moths due to the larval habit of boring in the wood of living plants. This review compiles current knowledge on the characteristics, diversity and bionomy of cossid moths as well as the damage they cause on woody plants.
Thanapol Choochuen, Jiří Foit
wiley   +1 more source

New and old species of Ommatius Wiedemann (Diptera: Asilidae) from Hispaniola [PDF]

open access: yes, 2011
Four new species of Ommatius Wiedemann, the female of O. stramineus Scarbrough, and the male of 0. nigellus Scarbrough from Hispaniola are described. A lectotype for O. gwenae Scarbrough and a neotype for O. cinnamomeus are selected.
Scarbrough, Aubrey G.
core  

A new ventrops (Diptera: Rhinophoridae) from Ethiopia [PDF]

open access: yes, 2015
A new species of the Afrotropical endemic rhinophorid genus Ventrops is described, illustrated and compared with ...
CERRETTI, PIERFILIPPO   +2 more
core   +3 more sources

Multiple hybridization events and repeated evolution of homoeologue expression bias in parthenogenetic, polyploid New Zealand stick insects

open access: yesMolecular Ecology, EarlyView.
Abstract During hybrid speciation, homoeologues combine in a single genome. Homoeologue expression bias (HEB) occurs when one homoeologue has higher gene expression than another. HEB has been well characterized in plants but rarely investigated in animals, especially invertebrates.
Seung‐Sub Choi   +6 more
wiley   +1 more source

Systematics, divergence dating and historical biogeography of Ochrotrichiinae (Trichoptera: Hydroptilidae) based on morphological and molecular data

open access: yesSystematic Entomology, EarlyView.
Molecular and morphological phylogeny support Ochrotrichiinae monophyly now comprising eight genera: Angrisanoia, Caledonotrichia, Maydenoptila, Metrichia, Nothotrichia, Ochrotrichia, Ragatrichia and Rhyacopsyche. Dibusa was excluded and placed as incertae sedis within Hydroptilidae. Ochrotrichiinae diverged ~116 Ma.
Isabela C. Rocha   +2 more
wiley   +1 more source

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