Results 11 to 20 of about 85,102 (356)

A Bizarre Planthopper Nymph (Hemiptera: Fulgoroidea) from Mid-Cretaceous Kachin Amber

open access: yesInsects, 2021
The fossil record of adult planthoppers is comparatively rich, but nymphs are rare and not well studied. Here, we describe a bizarre armoured planthopper nymph, Spinonympha shcherbakovi gen. et sp. nov., in mid-Cretaceous Kachin amber.
Cihang Luo   +2 more
doaj   +2 more sources

ON THE NYMPH AND PROSOPON OF THE TSUTSUGAMUSHI, LEPTOTROMBIDIUM AKAMUSHI, N. SP. (TROMBIDIUM AKAMUSHI BRUMPT), CARRIER OF THE TSUTSUGAMUSHI DISEASE [PDF]

open access: bronzeJournal of Experimental Medicine, 1917
Nomenclature. As mentioned above, the prosopon and the nymph of the tsutsugamushi have many characteristics which distinguish it from the other trombidia.
Mataro Nagayo   +3 more
openalex   +2 more sources

Identification and profiling of Sogatella furcifera microRNAs and their potential roles in regulating the developmental transitions of nymph–adult

open access: yesInsect molecular biology (Print), 2022
Sogatella furcifera is one of the most serious insect pests that affect rice in Asia. One class of small RNAs (sRNAs; ~22 nt long) is miRNAs, which participate in various biological processes by regulating the expression of target genes in a ...
Xi-Bin Yang   +6 more
semanticscholar   +1 more source

Meteorological and climatic variables predict the phenology of Ixodes ricinus nymph activity in France, accounting for habitat heterogeneity

open access: yesScientific Reports, 2021
Ixodes ricinus ticks (Acari: Ixodidae) are the most important vector for Lyme borreliosis in Europe. As climate change might affect their distributions and activities, this study aimed to determine the effects of environmental factors, i.e ...
P. Wongnak   +24 more
semanticscholar   +1 more source

Prey Capturing Dynamics and Nanomechanically Graded Cutting Apparatus of Dragonfly Nymph

open access: yesMaterials, 2021
Aquatic predatory insects, like the nymphs of a dragonfly, use rapid movements to catch their prey and it presents challenges in terms of movements due to drag forces.
Lakshminath Kundanati   +2 more
semanticscholar   +1 more source

Effect of Feeding Stage and Density of Whiteflies on Subsequent Aphid Performance on Tobacco Plants

open access: yesAgronomy, 2022
Bemisia tabaci Middle East-Asia Minor 1 (MEAM1) is a cosmopolitan, highly polyphagous agricultural pest, which has the capacity to displace other native insect herbivores. Here, equipped with an integrated approach, the effect of developmental stages and
Yang Li   +5 more
doaj   +1 more source

Leaf Damaged by Nymph of Cardiaspina albitextura and Cardiaspina retator (Hemiptera: Psyllidae)

open access: yesHayati Journal of Biosciences, 2008
Cardispina (Hemiptera: Pshyllidae) is one of the most important genera of the Australian Psyllidae, owing to the spectacular damage to Eucalyptus spp. The increase of C. albitextura and C.
NISMAH
doaj   +3 more sources

Effects of Life Stage, Site, and Species on the Dragonfly Gut Microbiome

open access: yesMicroorganisms, 2020
Insects that undergo metamorphosis from juveniles to adults provide an intriguing opportunity to examine the effects of life stage, species, and the environment on their gut microbiome.
Sarah Nobles, Colin R. Jackson
doaj   +1 more source

Tick-Borne Encephalitis Virus: Seasonal and Annual Variation of Epidemiological Parameters Related to Nymph-to-Larva Transmission and Exposure of Small Mammals

open access: yesPathogens, 2020
A greater knowledge of the ecology of the natural foci of tick-borne encephalitis virus (TBEV) is essential to better assess the temporal variations of the risk of tick-borne encephalitis for humans.
L. Bournez   +10 more
semanticscholar   +1 more source

Review of the Genus \u3ci\u3eMacdunnoa\u3c/i\u3e (Ephemeroptera: Heptageniidae) with Description of a New Species From Florida [PDF]

open access: yes, 2017
The imago, nymph, and egg of Macdunnaa brunnea n. sp. are described from the south- eastern U.S. Heptagenia persimpiex is transferred to Macdunnoa and additional diagonostic characters are given for this species and for Macdunnoa nipawinia.
Flowers, R. W
core   +2 more sources

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