Results 41 to 50 of about 4,691 (205)

Scale insects (Hemiptera: Coccoidea) of ornamental plants from Sao Carlos, Sao Paulo, Brazil [PDF]

open access: yes, 2001
A list of 35 scale insects collected from 72 ornamental plant species in Sao Carlos, Sao Paulo, Brazil is provided. Regarding host specificity, 30 scale insects were polyphagous, 4 oligophagous, and 1 monophagous.
Sousa-Silva, C. R.   +2 more
core  

Pseudococcidae

open access: yes, 2005
Published as part of Gertsson, Carl-Axel & Hodgson, Chris, 2005, Four new species of mealybug (Pseudococcidae) and a new species of soft scale (Coccidae: Coccoidea: Hemiptera) from Greenland and redescriptions of a mealybug and a soft scale from Arctic Canada, pp.
Gertsson, Carl-Axel, Hodgson, Chris
openaire   +2 more sources

“Alien versus predator”: predatory effect of coccinellid Exochomus quadripustulatus on the scale insect Toumeyella parvicornis. An open‐field experimentation on the Pinus pinea of Rome

open access: yesInsect Science, EarlyView.
The release of gravid Exochomus quadripustulatus females proved to be effective in containing Toumeyella parvicornis infestations on stone pine trees, under open‐field condition. The ladybugs caused a lower infestation level compared to the trees that did not receive any ladybugs during the observation season.
Nicolò Di Sora   +4 more
wiley   +1 more source

Identification of the Pink Hibiscus Mealybug, Maconellicoccus hirsutus (Green) (Hemiptera: Sternorrhyncha: Pseudococcidae) [PDF]

open access: yes, 1999
The pink hibiscus mealybug, Maconellicoccus hirsutus (Green), has spread rapidly in the tropical and subtropical areas of the New World especially throughout the Caribbean Islands, and has rece~t1y been discovered in California, Mexico, and Belize.
Miller, Douglass R.
core  

Coccoidea de colombia, con énfasis en las cochinillas harinosas (hemiptera: pseudococcidae). [PDF]

open access: yes, 2004
La presente revisión pretende reunir la mayor cantidad de información generada sobre estudios básicos del grupo Coccoidea con énfasis en Pseudococcidae para Colombia.
Ramos Portilla, Andrea Amalia   +1 more
core   +1 more source

FIRST REPORT OF A NEW INVASIVE MEALYBUG, THE HARRISIA CACTUS MEALYBUG HYPOGEOCOCCUS PUNGENS (HEMIPTERA: PSEUDOCOCCIDAE) [PDF]

open access: yes, 2010
FIRST REPORT OF A NEW INVASIVE MEALYBUG, THE HARRISIA CACTUS MEALYBUG HYPOGEOCOCCUS PUNGENS (HEMIPTERA: PSEUDOCOCCIDAE)FIRST REPORT OF A NEW INVASIVE MEALYBUG, THE HARRISIA CACTUS MEALYBUG HYPOGEOCOCCUS PUNGENS (HEMIPTERA ...
Segarra-Carmona, Alejandro E.
core   +1 more source

Methyl Jasmonate and Methyl Salicylate Differentially Modulate Direct and Indirect Defenses in Coffee Plants Against the White Mealybug

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
MeJA application strengthened both direct and indirect coffee defenses against the white mealybug Planococcus citri, whereas the effects of MeSA were variable and context‐dependent across the defensive traits examined. The combined application of both elicitors produced an effect similar to MeSA on direct defenses, but resembled MeJA when indirect ...
Bianca de Paula Valério   +3 more
wiley   +1 more source

Thermal Limits and Future Climate Projections Indicate Declining Habitat Suitability for Mealybug Species of Citrus in Africa

open access: yesGlobal Change Biology Communications, Volume 1, Issue 3, September 2026.
The mean critical thermal maxima varied significantly across species with Delottococcus aberiae showing the highest heat tolerance, whereas Planococcus citri recorded the lowest. All mealybug species exhibited substantial contractions in climatically suitable areas by 2100, with Pseudococcus calceolariae recording the greatest proportional decline ...
Reyard Mutamiswa   +5 more
wiley   +1 more source

Plant Lice Species (Suborder: Sternorrhyncha) on Ornamental Plants in Kampal Village and Surrounding Areas

open access: yesBiology, Medicine & Natural Product Chemistry
Plant lice (Suborder: Sternorrhyncha) are important pests of ornamental plants, capable of causing physical damage and transmitting plant pathogens. These insects pose a significant threat as they can reduce growth, impair physiological functions, and ...
Delia Nurhaliza   +5 more
doaj   +1 more source

Scales (Hemiptera, Superfamily Coccoidea). Chapter 9.3

open access: yesBioRisk, 2010
Scale insects are frequent invaders. With 129 established species, they numerically represent one of the major group of insects alien to Europe. Scales are usually small insects with wingless females. Due to this small size and concealment, many species,
Giuseppina Pellizzari   +1 more
doaj   +1 more source

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