Results 71 to 80 of about 4,244 (181)
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
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Planthoppers associated with maize crop in Argentina.(Insecta - Homoptera - Delphacidae) [PDF]
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
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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
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A REVIEW OF THE PLANTHOPPER GENUS NILAPARVATA (HEMIPTERA: DELPHACIDAE) IN THE NEW WORLD
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 ...
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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.
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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
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Cross resistance in the brown planthopper, Nilaparvata lugens Stal (Hemiptera: Delphacidae)
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
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Cytology of Nilaparvata bakeri (Muir), a grass-infesting planthopper (Homoptera: Delphacidae)
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.
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A New Genus and Species of Delphacidae (Hemiptera: Fulgoroidea: Delphacidae) from Costa Rica
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.
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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.
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