Results 71 to 80 of about 4,244 (181)

Number of seminal follicles and ovarioles in Fulgoromorpha (Hemiptera: Auchenorrhyncha): Variability and evolutionary trends

open access: yesEuropean Journal of Entomology
In this paper data on the number of follicles in testes and the number of ovarioles in ovaries of planthoppers (Hemiptera: Fulgoromorpha) are summarised and discussed.
Valentina G. KUZNETSOVA   +2 more
doaj   +1 more source

Planthoppers associated with maize crop in Argentina.(Insecta - Homoptera - Delphacidae) [PDF]

open access: yes, 2010
Se han identificado once especies de Homoptera Delphacidae asociadas al cultivo de maíz en la República Argentina. Los insectos mencionados en esta contribución fueron obtenidos, en parte, desde muestreos periódicos realizados durante cuatro años sobre ...
Marino de Remes Lenicov, Ana María   +1 more
core  

FIGURES 23–34 in Oriental bamboo delphacid planthoppers: three new species of genus Kakuna Matsumura (Hemiptera: Fulgoromorpha: Delphacidae) from Guizhou Province, China

open access: yes, 2010
FIGURES 23–34. Kakuna zhongtuana sp. nov. (23) Head and thorax, dorsal view; (24) Frons and clypeus; (25) Forewing (3); (26) Forewing (Ƥ); (27) Hindwing; (28) Male anal segment, lateral view; (29) Male genital segment, lateral view; (30) Male genital ...
Yang, Lin, Chen, Xiang-Sheng
core   +1 more source

A REVIEW OF THE PLANTHOPPER GENUS NILAPARVATA (HEMIPTERA: DELPHACIDAE) IN THE NEW WORLD

open access: yesEntomological News, 2007
The delphacid genus Nilaparvata, previously recorded in the New World only from Puerto Rico and Nicaragua, is here reported from a variety of localities from Wisconsin and New Hampshire in the United States, south to Bolivia and Paraguay. Euides gerhardi is here transferred to Nilaparvata, and a revised key and diagnoses for the four New World species ...
openaire   +3 more sources

Delphacidae

open access: yes, 2015
Delphacidae Tarophagus proserpina (Kirkaldy) Cheiloneurus flaccus (H)Published as part of Zuparko, Robert L., 2015, Annotated Checklist of California Encyrtidae (Hymenoptera), pp. 1-126 in Zootaxa 4017 (1) on page 93, DOI: 10.11646/zootaxa.4017.1.1,
Zuparko, Robert L.
core   +1 more source

Effects of elevated CO2 on the water hyacinth-biocontrol agent Megamelus scutellaris (Hemiptera: Delphacidae) and its yeast-like symbiotes

open access: yesBiological Control
Water hyacinth, Pontederia crassipes, is a highly invasive plant native to South America and one of the most invasive aquatic plants in the world. For its control, the planthopper Megamelus scutellaris Berg (Hemiptera: Delphacidae), a phloem feeder also ...
Tomás Righetti   +8 more
doaj   +1 more source

Cross resistance in the brown planthopper, Nilaparvata lugens Stal (Hemiptera: Delphacidae)

open access: yesJapanese journal of applied entomology and zoology, 1987
The topical toxicities of eight insecticides in susceptible (S), malathion-resistant (Rm) and fenvalerate-resistant (Rmf) strains of the brown planthopper were determined. The negatively correlated cross resistance was observed between malathion and fenvalerate. The insecticidal activity of fenvalerate (racemic) wholly depends on that of fenvalerate A.
HONMI, Yoshio   +2 more
openaire   +2 more sources

Cytology of Nilaparvata bakeri (Muir), a grass-infesting planthopper (Homoptera: Delphacidae)

open access: yesCYTOLOGIA, 1985
The genus Nilaparvata Distant comprises 14 determined and 2 undetermined species which have been recorded from tropical and temperate zones throughout the world (Okada 1977, Mochida and Okada 1979). About one-half of these are known in Asia and the Pacific region and the remaining in Africa and Central Amer ica. Two of these species-N.
Barrion, A. A., Saxena, R. C.
openaire   +2 more sources

A New Genus and Species of Delphacidae (Hemiptera: Fulgoroidea: Delphacidae) from Costa Rica

open access: yes, 2019
Bartlett, Charles R. (2019): A New Genus and Species of Delphacidae (Hemiptera: Fulgoroidea: Delphacidae) from Costa Rica. Zootaxa 4657 (2): 361-368, DOI: 10.11646/zootaxa.4657.2.
Bartlett, Charles R.
core   +1 more source

FIGURE 1 in A New Genus and Species of Delphacidae (Hemiptera: Fulgoroidea: Delphacidae) from Costa Rica

open access: yes, 2019
FIGURE 1. Melaniphax suffusculus gen. et sp. nov. (paratype); A. lateral habitus, B. dorsal habitus, C. Apex of hind leg, ventral view.Published as part of Bartlett, Charles R., 2019, A New Genus and Species of Delphacidae (Hemiptera: Fulgoroidea ...
Bartlett, Charles R.
core   +1 more source

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