Results 1 to 10 of about 14,600 (78)

Social Behavior, Ovary Size, and Population of Origin Influence Cuticular Hydrocarbons in the Orchid Bee Euglossa dilemma

American Naturalist, 2021
Cuticular hydrocarbons (CHCs) are waxy compounds on the surface of insects that prevent desiccation and frequently serve as chemical signals mediating social and mating behaviors. Although their function in eusocial species has been heavily investigated,
N. Saleh, K. Hodgson, T. Pokorny, A. Mullins, T. Chouvenc, T. Eltz, S. Ramírez   +6 more
semanticscholar   +1 more source

Integrative Taxonomy of Dermacentor variabilis (Ixodida: Ixodidae) with Description of a New Species, Dermacentor similis n. sp.

Journal of medical entomology, 2021
Dermacentor variabilis is the most widely distributed three-host tick in North America, and transmits a variety of pathogens. Within the United States, this species has a discontinuous distribution, widespread east of the Rocky Mountains and with a few ...
P. Lado, M. Glon, H. Klompen
semanticscholar   +1 more source

Exploring the Role of a Cytokinin-Activating Enzyme LONELY GUY in Unicellular Microalga Chlorella variabilis

Frontiers in Plant Science, 2021
LONELY GUY has been previously characterized in flowering plants to be involved in the direct activation of cytokinins. In this study, the function of the only LONELY GUY gene (CvarLOG1) from unicellular green microalga Chlorella variabilis NC64A has ...
S. Nayar
semanticscholar   +1 more source

Vector competence of human-biting ticks Ixodes scapularis, Amblyomma americanum and Dermacentor variabilis for Powassan virus

Parasites & Vectors, 2021
Powassan virus (POWV; genus Flavivirus) is the sole North American member of the tick-borne encephalitis sero-complex and an increasing public health threat in the USA. Maintained in nature by Ixodes spp.
Rohit Sharma, Duncan W. Cozens, P. Armstrong, D. Brackney   +3 more
semanticscholar   +1 more source

Dermacentor variabilis is the Predominant Dermacentor spp. (Acari: Ixodidae) Feeding on Dogs and Cats Throughout the United States

Journal of medical entomology, 2021
Throughout North America, Dermacentor spp. ticks are often found feeding on animals and humans, and are known to transmit pathogens, including the Rocky Mountain spotted fever agent.
Kathryn T. Duncan, Meriam N. Saleh, Kellee D. Sundstrom, S. Little   +3 more
semanticscholar   +1 more source

The primitively social behavior of Euglossa cordata (Hymenoptera, Apidae, Euglossini): a view from the perspective of kin selection theory and models of reproductive skew

Apidologie, 2017
Gabriele Antico Freiria, CARLOS Alberto Garofalo, Marco Antonio Del Lama   +2 more
exaly   +2 more sources

Variations in Acorn Traits in Two Oak Species: Quercus mongolica Fisch. ex Ledeb. and Quercus variabilis Blume

Forests, 2021
Quercus mongolica Fisch. ex Ledeb. and Q. variabilis Blume are two main oak species in China, producing large amounts of acorns every year. However, the trait variations in acorns, as a promising energy crop material, are not fully understood, hence we ...
Jiacheng Sun, Wen-Zhi Shi, Yanyan Wu, Jing Ji, Jian Feng, Jiabing Zhao, Xinru Shi, Changjian Du, Wei Chen, Jianfeng Liu, Zeping Jiang, S. Shi   +11 more
semanticscholar   +1 more source

Influence of Geographical and Climatic Factors on Quercus variabilis Blume Fruit Phenotypic Diversity

Diversity, 2021
Quercus variabilis Blume is one of the most ecologically valuable tree species in China and is known to have adaptive mechanisms to climate change. Our objective was to quantify the variation pattern in the fruit morphology of Q. variabilis.
Shiping Gao, Yue Ren, J. Masabni, Feng Zou, Huan Xiong, Jingle Zhu   +5 more
semanticscholar   +1 more source

Assessing the current and future potential geographic distribution of the American dog tick, Dermacentor variabilis (Say) (Acari: Ixodidae) in North America

PLoS ONE, 2020
The American dog tick, Dermacentor variabilis, is a veterinary- and medically- significant tick species that is known to transmit several diseases to animal and human hosts. The spatial distribution of this species in North America is not well understood,
G. Boorgula, A. Peterson, D. Foley, Roman, R. Ganta, K. Ram, RaghavanID   +6 more
semanticscholar   +1 more source

A Preliminary Checklist of the Orchid Bees (Hymenoptera: Apidae: Euglossini) of Ecuador

Psyche: A Journal of Entomology, Volume 2018, Issue 1, 2018., 2018
A checklist of Euglossini in Ecuador is given, including all currently described, valid species collected until 2018. The list has been assembled from museum records, fieldwork cited herein, and literature. The former species lists are nearly doubled here, with 1 Aglae, 23 Eufriesea, 68 Euglossa, 18 Eulaema, and 5 Exaerete, 115 in total with >50 new ...
Pablo S. Padrón, David W. Roubik, Ruben P. Picón, Nguya K. Maniania   +3 more
wiley   +1 more source