Results 31 to 40 of about 163,284 (313)

Larval description and phylogenetic placement of the Australian endemic genus Barretthydrus Lea, 1927 (Coleoptera: Dytiscidae: Hydroporinae: Hydroporini: Sternopriscina) [PDF]

open access: yes, 2018
The larvae of the Australian endemic species Barretthydrus tibialis Lea, 1927 and Barretthydrus geminatus Lea, 1927 are described and illustrated for the first time, with detailed morphometric and chaetotaxic analyses of the cephalic capsule, head ...
Alarie, Yves   +3 more
core   +2 more sources

Descriptions of Nymphal Instars of \u3ci\u3eAbedus Breviceps\u3c/i\u3e (Hemiptera: Belostomatidae) [PDF]

open access: yes, 2017
The 1st-5th instars of Abedus breviceps Still, collected from a Texas population, are described and illustrated. They can be separated most easily by overall body length and width, and by the length of the mesonotal wing ...
Keffer, S. L, McPherson, J. E
core   +2 more sources

Sensitivity of Immature \u3ci\u3eThyanta Calceata\u3c/i\u3e (Hemiptera: Pentatomidae) to Photoperiod as Reflected by Adult Color and Pubescence [PDF]

open access: yes, 2017
Dimorphism in color and pubescence of adult Thyanta calceata, in response to 8L:16D and 16L:8D photoperiods, resulted from an accumulation of photoperiod effects on two or more immature stages. More immature stages were receptive to 8L:16D than to 16L:8D
McPherson, J. E
core   +2 more sources

Moulting pattern and mortality during the final emergence of the Coromandel Marsh Dart Damselfly Ceriagrion coromandelianum (Zygoptera: Coenagrionidae) in central India

open access: yesJournal of Threatened Taxa, 2019
The final emergence of the Coromandel Marsh Dart Damselfly Ceriagrion coromandelianum was studied for 50 days (22 January–12 March, 2011) from the botanical garden of Hislop College, Nagpur, India, (a semi controlled site) where small underground cement ...
Nilesh R. Thaokar   +2 more
doaj   +1 more source

Relative preference and demographic parameters of Encarsia formosa Gahan against Trialeurodes vaporariorum (Westwood)

open access: yesEgyptian Journal of Biological Pest Control, 2021
Background The greenhouse whitefly, Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae), is a cosmopolitan, polyphagous and a serious pest of vegetables and ornamentals in greenhouse.
Anamika Walia   +4 more
doaj   +1 more source

Life History of \u3ci\u3eCeratocombus Vagans\u3c/i\u3e (Hemiptera: Heteroptera: Ceratocombidae), With Notes on the Immature Stages [PDF]

open access: yes, 2018
The biology and life stages of Ceratocombus vagans are given together with distributional notes. The current systematic position of Ceratocombidae is reviewed. This species is one of the most generalized Hemiptera: Heteroptera known. Its predatory habits
Lattin, John D
core   +2 more sources

Foodplant Processing Adaptations in Four \u3ci\u3eHyalophora\u3c/i\u3e Species (Lepidoptera: Saturniidae): Regional and Taxonomic Specialization [PDF]

open access: yes, 2017
To determine whether local populations of four Hyalophora species (Lepidoptera: Satumiidae) had improved survival or were physiologically adapted for rapid and/or efficient growth on their local hosts, a series of larval feeding studies were conducted ...
Grabstein, Eric, Scriber, J. Mark
core   +2 more sources

Silencing of two insulin receptor genes disrupts nymph-adult transition of alate brown citrus aphid [PDF]

open access: yes, 2017
Insulin receptors play key roles in growth, development, and polymorphism in insects. Here, we report two insulin receptor genes (AcInR1 and AcInR2) from the brown citrus aphid, Aphis (Toxoptera) citricidus.
Ding, Bi-Yue   +7 more
core   +2 more sources

On the Eggs and Instars of Scutigerella sp

open access: yesJournal of Cell Science, 1909
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Muir, F. (Frederick)   +1 more
openaire   +4 more sources

Evaluation of bio-rational insecticides to control Helicoverpa armigera (Hübner) and Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) fed on Vicia faba L. [PDF]

open access: yes, 2008
Two botanical pesticides, Neem Azal-T/S (NA) and Quassia amara, one biopesticide, Bacillus thuringiensis subsp. aizawai (Bta) and one combination of Bta + NA were tested against 2nd and 4th instar larvae of the noctuids Helicoverpa armigera (Hübner) and ...
Aggarwal, Naveen   +2 more
core  

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