Results 111 to 120 of about 334 (142)

Ovariole structure of the cochineal scale insect, Dactylopius coccus. [PDF]

open access: yesJ Insect Sci, 2008
Ramírez-Cruz A   +2 more
europepmc   +1 more source

Polyhydroxyanthraquinones from the insect Eriococcus coriaceus

Challenge, 1970
A group of seven polyhydroxyanthraquinones based on emodin and 7-acetylemodin has been isolated from the coccid Eriococcus coriaceus.
H. J. Banks, D. W. Cameron
exaly   +2 more sources

Two new species of Eriococcus (Hemiptera: Coccoidea: Eriococcidae), from the Andino Patagonica region of Argentina, with a key to the Eriococcus species of that region

open access: yesZootaxa, 2008
The adult females of two new species of Eriococcidae from the Andino Patagonica region of Argentina, namely Eriococcus dombeyae González sp. nov. and E. pumiliae González sp. nov. are described and illustrated; both species are on Nothofagus. A key to the Eriococcus species from Andean Patagonian forests is included.
González, Patricia   +1 more
openaire   +2 more sources

ARE THE ENLARGED DUCTS OF ERIOCOCCUS (HEMIPTERA: COCCOIDEA: ERIOCOCCIDAE) PLESIOMORPHIC?

open access: yes, 2016
ARE THE ENLARGED DUCTS OF ERIOCOCCUS (HEMIPTERA: COCCOIDEA: ERIOCOCCIDAE) PLESIOMORPHIC? Borchsenius (1948) separated the genus Eriococcus Targioni-Tozzetti (Eriococcidae) from Acanthococcus Signoret and Gossyparia Signoret on the basis of the occurrence of enlarged ducts in the adult female of the type-species, E. buxi (Fonscolombe).
Cook, L., Gullan, P.G.
openaire   +3 more sources

The Genus Eriococcus Targioni Tozzetti (Sternorrhyncha, Eriococcidae) from Korea

Journal of Asia-Pacific Entomology, 2003
Abstract Ten species of the genus Eriococcus (Sternorrhyncha, Eriococcidae) in Korea are reviewed with known host plants. Among them, Eriococcus glyceriae Green, 1921 and Eriococcus sojae Kuwana, 1917 are reported for the first time from the Korean Peninsula, with redescriptions and illustrations for the morphological characters of adult females.
Gi-Myon Kwon, Man-Jong Han
exaly   +2 more sources

Chemical constituents of Eriococcus confusus Maskell. I. The quinonoid pigments

open access: yesAustralian Journal of Chemistry, 1966
Eriococcus confusus Maskell., growing on both Eucalyptus caesia and maculosa, contains a number of anthraquinone pigments. Emodin has been identified as one of the major components, and the other is tentatively assigned the structure 1,2,3,8-tetrahydroxy-6-methylanthrquinone. Chromatographic and p.m.r, data are presented for a number of anthraquinones,
AWK Chan, WD Crow
openaire   +2 more sources

An insect retina without microvilli in the male scale insect, Eriococcus sp. (Eriococcidae, Homoptera)

Cell and Tissue Research, 1978
Male scale insects of an undescribed Australian species of Eriococcus have no compound eyes but show an extraordinary arrangement of three pairs of ocelli: One pair is positioned dorsolaterally where most insects have their compound eyes. Another pair looks ventrally and is placed where insects usually have their mouthparts, and there are two small ...
Peter Duelli
exaly   +3 more sources

Two New Species of Eriococcus from Mississippi. (Homoptera: Coccoidea)*

Annals of the Entomological Society of America, 1929
Descriptions of two species of the genus Eriococcus are presented at this time for publication in anticipation of the use of the names in a forthcoming paper on some scale insects of Mississippi.
exaly   +2 more sources

Eriococcus munroi (Boratynski), nouveau ravageur du Lavandin en France, et note sur deux Pseudococcines nouvelles pour la France (Hemiptera, Eriococcidae et Pseudococcidae)

open access: yesBulletin De La Société Entomologique De France, 2004
Eriococcus munroi (Boratynski), new pest on Lavandin in France, and note on two Mealybugs new for France (Hemiptera, Eriococcidae and Pseudococcidae). Eriococcus munroi (Boratynski) (Eriococcidae) is newly recorded damaging Lavandin in France.
Daniele Matile-Ferrero   +2 more
exaly   +3 more sources

Home - About - Disclaimer - Privacy