Results 71 to 80 of about 4,470 (214)

The Organization and Role During Locomotion of the Proximal Musculature of the Cricket Foreleg : I. Anatomy and Innervation [PDF]

open access: yes, 1986
The structure of the proximal segments of the cricket (Gryllus bimaculatus) foreleg, together with the associated musculature and its innervation are described.
Laurent, Gilles, Richard, Daniel
core  

Short-term studies underestimate 30-generation changes in a butterfly metapopulation [PDF]

open access: yes, 2002
Most studies of rare and endangered species are based on work carried out within one generation, or over one to a few generations of the study organism.
Chris D Thomas   +8 more
core   +2 more sources

Are differences in hydrocarbon profiles able to mediate strain recognition in German cockroaches (Dictyoptera: Blattellidae)?

open access: yesEuropean Journal of Entomology, 2002
Previous behavioural tests indicated that strain recognition and aggregation behaviour could be induced by cuticular hydrocarbons. The aim of this study was to document and to compare cuticular hydrocarbon profiles between different strains of Blattella ...
Colette RIVAULT, Ann CLOAREC, Leam SRENG
doaj   +1 more source

Length-weight relationship and the diets of Clarias lazera (Cuvier and Valenciennes), family Clariidae (Osteichthyes: Siluriformes) in Zaria, Nigeria [PDF]

open access: yes, 1986
The length-weight relationship and the diets of Clarias lazera were investigated between July 1981 and June 1982. About 450 specimens were examined. The standard lengths of the fish ranged from 8.5 cm to 42.2 cm.
Olatunde, A.A.
core  

Discontinuous gas exchange in insects: Is it all in their heads? [PDF]

open access: yes, 2011
Some insects display an intermittent pattern of gas exchange while at rest, often going hours between breaths. These discontinuous gas exchange cycles (DGCs) are known to have evolved independently within five insect orders, but their possible adaptive ...
Matthews, Philip G. D., White, Craig R.
core   +1 more source

Water Balance, Host Utilisation, And Mass Rearing Improvements Of The Cockroach Oothecal Parasitoids, Aprostocetus Hagenowii (Hymenoptera: Eulophidae) And Evania Appendigaster (Hymenoptera: Evaniidae) [PDF]

open access: yes, 2016
Tesis ini menumpu kepada keseimbangan air, penggunaan perumah and peningkatan kultur massa Aprostocetus hagenowii (Ratzeburg) (Hymenoptera: Eulophidae) dan Evania appedigaster (Linnaeus) (Hymenoptera: Evaniidae), dua parasitoid ooteka lipas Amerika ...
Tee , Hui Siang
core  

The complete mitochondrial genomes of two band-winged grasshoppers, Gastrimargus marmoratus and Oedaleus asiaticus [PDF]

open access: yes, 2009
Background The two closely related species of band-winged grasshoppers, Gastrimargus marmoratus and Oedaleus asiaticus, display significant differences in distribution, biological characteristics and habitat preferences.
Chuan Ma   +3 more
core   +1 more source

The phylogenetic system of Mantodea (Insecta: Dictyoptera) [PDF]

open access: yes, 2022
Praying mantises (Mantodea) are a charismatic group of raptorial insects. Their main distribution encompasses the tropical and subtropical regions of the world where they have conquered almost every habitat including the sandy deserts. Mantodea are well-known to the public.
openaire   +2 more sources

Bazı Entomopatojen Nematodların Blattella germanica L. (Dictyoptera: Blattellidae) Üzerindeki Etkileri

open access: yesJournal of Agricultural Sciences, 2000
Entomopatojen nematodlar (EPN) olan Heterorhabditis spp. ve Steinemema spp. son yıllarda kullanımları artan biyolojik mücadele etmenlennin en önemlilerindendir. Bu çalışmada.
I. Alper Susurluk
doaj   +1 more source

Survey of Optimal methods for the control of Cockroaches in sewers of Qom city [PDF]

open access: yes
Background and objectives: domestic sewers and wastewater treatment plants are suitable places for the growth of some types of Cockroaches. Annually the water and wastewater company of Qom city make considerable attempts to overwhelm the problem.
زارعی, احمد   +5 more
core  

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