Results 51 to 60 of about 67,836 (165)

Female-driven intersexual coevolution in beetle genitalia

open access: yes, 2020
Genital coevolution is a pervasive phenomenon as changes in one sex tend to impose fitness consequences on the other generating sexual conflict. Sexual conflict is often thought to cause stronger selection on males due to the Darwin-Bateman’s anisogamy ...
Genevcius, Bruno C   +11 more
core   +1 more source

An effective method for the close up photography of insect genitalia during dissection: a case study on the Lepidoptera

open access: yesNota Lepidopterologica, 2018
Characters of male and female genitalia in insects in general, especially in Lepidoptera, are essential for species identification as they display extensive morphological variation.
Dominic Wanke, Hossein Rajaei
doaj   +3 more sources

A new species of Hortipes (Araneae, Corinnidae), the first spider with an insertable retrolateral tibial apophysis on the male palp

open access: yes, 2012
Hortipes gigapophysalis (Araneae, Corinnidae) is a new species described from both sexes from montane forest on Mt Nimba, eastern Guinea. The species is remarkable for its long, whip-shaped retrolateral tibial apophysis (RTA) on the male palp.
Jocqué, Rudy   +8 more
core   +1 more source

A new species of Rhodnius from Brazil (Hemiptera, Reduviidae, Triatominae)

open access: yesZooKeys, 2017
A colony was formed from eggs of a Rhodnius sp. female collected in Taquarussu, Mato Grosso do Sul, Brazil, and its specimens were used to describe R. taquarussuensis sp. n. This species is similar to R.
João Aristeu da Rosa   +9 more
doaj   +3 more sources

Three new species of Omalodes (Omalodes) (Histeridae, Histerinae) from South America

open access: yesZooKeys, 2013
Three new species of Omalodes are described from South America, including descriptions of male and female genitalia. Omalodes (O.) mazuri sp. n. is described from Peru and Bolivia; Omalodes (O.) punctulatus sp.n.
Daniel P. Moura, Lucia Almeida
doaj   +1 more source

High maternal androstenedione levels during pregnancy in a small precocial mammal with female genital masculinisation [PDF]

open access: yes
-Masculinisation of female genitalia is an intriguing phenomenon amongst some mammalian species and its endocrinological basis as well as its adaptive value is still heavily debated. We recently reported female genital masculinisation in Cavia magna. The
Cornelia Kraus   +3 more
core  

Individual male perception of female genitalia

open access: yes, 2016
Introduction and hypothesis: Australian Medicare data show that the rates of cosmetic labiaplasty have tripled over the last decade; however, there is little understanding about the social factors that contribute to the popularity of female genital ...
Becuzzi, Nadine   +5 more
core   +1 more source

Two new species of genus Oecleopsis Emeljanov from China, with descriptions of female genitalia of five species (Hemiptera, Fulgoromorpha, Cixiidae)

open access: yesZooKeys, 2018
Two new species of genus Oecleopsis Emeljanov, 1971, O. laminatus Zhi & Chen, sp. n. and O. productus Zhi & Chen, sp. n., and a new record, O. yoshikawai (Ishihara, 1961), are described and illustrated from China. Female genitalia of five
Yan Zhi   +3 more
doaj   +3 more sources

Batrachedra olei Falck, sp. nov. from the Canary Islands, Spain (Lepidoptera: Batrachedridae)

open access: yesSHILAP
Batrachedra olei Falck, sp. nov. is described based on specimens from La Gomera, Canary Islands, Spain. Adults, male and female genitalia are figured. DNA barcodes are analyzed. A differential diagnosis from the similar B.
Per Falck
doaj   +1 more source

A new pygmy leafmining moth, Stigmella tatrica sp. n., from the alpine zone of the Tatra Mountains (Lepidoptera, Nepticulidae)

open access: yesNota Lepidopterologica, 2017
Stigmella tatrica sp. n. is described from moths taken in the alpine zone of the Tatra Mountains in Slovakia. The new species is similar to several other montane species of Stigmella Schrank, 1802 in the S.
Zdenko Tokár   +2 more
doaj   +3 more sources

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