Results 1 to 10 of about 370,379 (309)

First Report of the Immature Stages of the Leaf-Mining Genus Subclemensia Kozlov, 1987 (Lepidoptera: Incurvariidae), with a Re-Illustration of the Type Species and a Generic Concept Discussion Based on Immature Characters [PDF]

open access: yesInsects, 2022
The immature stages of primitive Lepidoptera can provide quite different but often useful morphological evidence and synapomorphies from those of adults. Incurvariidae is one of the most primitive lineages of extant Lepidoptera, which is species-poor but
Tengteng Liu   +5 more
doaj   +2 more sources

Comparing sex hormones levels in Acipenser persicus at the onset of Autumnal migration [PDF]

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2006
Levels of two main steroid hormones in gonads, 17-B Stradiol (E2) and testosterone (T) were compared in males and females of Persian sturgeon at the start of autumnal migration to spawning rivers.
R. Malazadeh; A. Halajian; R. Kazemi; M. Bahmani; A. Hoshmand
doaj   +2 more sources

Uloma (Uloma) intricornicula Liu, Ren & Wang, 2007 (Coleoptera, Tenebrionidae, Ulomini): Descriptions of the larva and pupa and new distributional records [PDF]

open access: yesBiodiversity Data Journal, 2023
The genus Uloma Dejean, 1821 (Coleoptera, Tenebrionidae, Ulomini) comprises more than 200 species and subspecies worldwide, 37 of which are recorded from China.
Yiping Niu, Guodong Ren, Shanshan Liu
doaj   +3 more sources

Life history of the rare boreal tiger moth Arctia menetriesii (Eversmann, 1846) (Lepidoptera, Erebidae, Arctiinae) in the Russian Far East [PDF]

open access: yesNota Lepidopterologica, 2021
A thorough description and detailed photographs of all developmental stages of one of the rarest Palaearctic moths, Menetries’ tiger moth Arctia menetriesii (Eversmann, 1846) (Lepidoptera, Erebidae, Arctiinae), are presented.
Evgeny S. Koshkin
doaj   +3 more sources

A comprehensive review and call for studies on firefly larvae [PDF]

open access: yesPeerJ, 2021
Background Fireflies (Coleoptera: Lampyridae) are commonly recognized by adult traits, such as a soft exoskeleton, lanterns and associated glow and flash patterns, but their larval stage is far less appreciated.
William B. Riley   +2 more
doaj   +2 more sources

Description of the V instar nymph of Tolono confusus Carvajal, Rider and Faúndez, 2015 (Hemiptera: Heteroptera: Acanthosomatidae)

open access: yesRevista Chilena de Entomología, 2022
The fifth instar nymph of Tolono confusus Carvajal, Rider & Faúndez, 2015 is described and illustrated based on two specimens from Napo Province, Ecuador. The need for further work on South American pentatomoid immatures stages is briefly discussed.
Mariom A. Carvajal   +2 more
doaj   +1 more source

Megamelus bellicus (Hemiptera: Delphacidae): immature stages and biology

open access: yesRevista de la Sociedad Entomológica Argentina, 2007
Se describen e ilustran los estados inmaduros de Megamelus bellicus Remes Lenicov & Sosa (Hemiptera: Delphacidae) y se presenta una clave para identificarlos.
Roxana MARIANI   +2 more
doaj   +1 more source

Enzymology, Histological and Ultrastructural Effects of Ar-Turmerone on Culex pipiens pallens Larvae

open access: yesInsects, 2020
Our previous article demonstrated that ar-turmerone ((6S)-2-methyl-6-(4-methylphenyl)-2-hepten-4-one) extracted from Curcuma longa L. has a significant larvicidal activity against the fourth instar larvae of Culex pipiens pallens.
Jia Liu   +5 more
doaj   +1 more source

The immatures of three Neotropical species of Palpomyia Meigen (Diptera, Culicomorpha, Ceratopogonidae) [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
The first description of the fourth instar larva and pupa of Palpomyia mapuche Spinelli, Grogan & Ronderos and the pupa of P. subfuscula Ingram & Macfie are provided, as well as the redescription of the pupa of P. subaspera (Coquillett).
DANIELLE ANJOS-SANTOS   +3 more
doaj   +2 more sources

Psyttala horrida (Stål, 1865) (Hemiptera: Reduviidae: Reduviinae)—A Morphological Study of Eggs and Nymphs

open access: yesInsects, 2022
In terms of body size, species of the genus Psyttala Stål, 1859, are the largest known representatives of the subfamily Reduviinae. Among the species belonging to this genus, Psyttala horrida (Stål, 1865) is the most popular, mainly because it is a ...
Agnieszka Bugaj-Nawrocka   +3 more
doaj   +1 more source

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