Anatomy and Histology of Reproductive Organs of Female &lt;I&gt;Homalodisca coagulata&lt;/I&gt; (Hemiptera: Cicadellidae: Proconiini), with Special Emphasis on Categorization of Vitellogenic Oocytes

Hummel, Natalie A.; Zalom, Frank G.; Peng, Christine Y.S.

doi:10.1603/0013-8746(2006)99[920:aahoro]2.0.co;2

Cited by 25 publications

(21 citation statements)

References 2 publications

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“…Interestingly, Rickettsiella was abundant in ovarian accessory glands. Although similar accessory glands have been described in other cicadellids (43)(44)(45), little is known about them. In other insects, ovarian accessory glands often provide protective coatings or adhesive secretions for eggs (46,47).…”

Section: Discussionmentioning

confidence: 91%

Novel Rickettsiella Bacterium in the Leafhopper Orosius albicinctus (Hemiptera: Cicadellidae)

Iasur-Kruh

Weintraub

Mozes-Daube

et al. 2013

Appl Environ Microbiol

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Bacteria in the genus Rickettsiella (Coxiellaceae), which are mainly known as arthropod pathogens, are emerging as excellent models to study transitions between mutualism and pathogenicity. The current report characterizes a novel Rickettsiella found in the leafhopper Orosius albicinctus (Hemiptera: Cicadellidae), a major vector of phytoplasma diseases in Europe and Asia. Denaturing gradient gel electrophoresis (DGGE) and pyrosequencing were used to survey the main symbionts of O. albicinctus, revealing the obligate symbionts Sulcia and Nasuia, and the facultative symbionts Arsenophonus and Wolbachia, in addition to Rickettsiella. The leafhopper Rickettsiella is allied with bacteria found in ticks. Screening O. albicinctus from the field showed that Rickettsiella is highly prevalent, with over 60% of individuals infected. A stable Rickettsiella infection was maintained in a leafhopper laboratory colony for at least 10 generations, and fluorescence microscopy localized bacteria to accessory glands of the female reproductive tract, suggesting that the bacterium is vertically transmitted. Future studies will be needed to examine how Rickettsiella affects host fitess and its ability to vector phytopathogens.

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Section: Discussionmentioning

confidence: 91%

Novel Rickettsiella Bacterium in the Leafhopper Orosius albicinctus (Hemiptera: Cicadellidae)

Iasur-Kruh

Weintraub

Mozes-Daube

et al. 2013

Appl Environ Microbiol

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“…In this study, we characterized ovarian ranks according to Hummel et al (2006) and found two to three generations occur each year in Riverside, CA, citrus. The occurrence of two to three generations per year is in agreement with literature on H. coagulata generations in Florida (Alderz 1980), Georgia (Turner and Pollard 1959), Texas (Sanderson 1905), and previous accounts in southern California (Blua et al 1999).…”

Section: Discussionmentioning

confidence: 99%

“…An ovarian rank was assigned to each dissected specimen as described by Hummel et al (2006) (Table 1). Brießy, ovarian rank 0 females had zero oocytes visible and no corpus luteum in each ovariole.…”

Section: Collection and Preparation Of Insect Specimensmentioning

confidence: 99%

“…Detinova (1967) argues that the most accurate method of population studies involves determination of the physiological age of the females, based on ovary development. In this study, we determined the demographics and reproductive patterns of H. coagulata populations on citrus in Riverside, CA, by assigning ovarian ranks to Þeld-collected females according to the methods of Hummel et al (2006). Seasonal patterns of female fecundity are critical to improve timing of chemical and biological controls for H. coagulata.…”

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confidence: 99%

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Seasonal Patterns of FemaleHomalodisca coagulata(Say) (Hemiptera: Cicadellidae) Reproductive Physiology in Riverside, California

et al. 2006

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“…Production of larger egg masses would require additional nutriments and time for the production of the individual eggs. A lag time between the production and deposition of the Þrst and last eggs may occur because the eggs are relatively large (Ϸ2.1 mm; Hummel et al 2006) in H. vitripennis and egg storage capacity was estimated to 16 Ð20 mature eggs (Hummel et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Suitability of Different Host Plants for Oviposition and Development of Homalodisca vitripennis (Hemiptera: Cicadellidae) and Its Implication on Mass Rearing

Lauzière¹,

Sétamou

2009

Annals of the Entomological Society of America

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The glassy-winged sharpshooter, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), is a major pest of grapevine (Vitis vinifera L.) in Texas and California. It is a known vector of Pierce's disease and is considered the most significant insect pest threatening the grape industry in the United States. We evaluated the preference of four host plants for feeding and oviposition by H. vitripennis adult females. We also measured the suitability of nine host plants for the growth and development of eggs and nymphs under greenhouse and laboratory conditions, respectively. Embryonic survival exceeded 85% on all tested host plants, with the exception of sweet potato, Ipomoea batatas (L.) Lam. More than 80% of the nymphs successfully reached adulthood on sweet potato, black-eyed pea [Vigna unguiculata unguiculata (L.) Walp.], and eggplant (Solanum melongena L). Developmental time of immature H. vitripennis nymphs was significantly affected by the plants on which they fed. The nymphs were more likely to die during the first instar on host plants such as Texas mountain laurel Evonymus japonica (Thunb.), or citrange Citrus sinensis × Poncirus trifoliata. Host suitability (nutrients) and stem and leaf texture, which varied among host plant species selected, seem to both play a significant role in nymphal development. Adult females were able to feed on woody plants, but a preference for black-eyed pea and sweet potato was observed. In captivity and given the plant choices offered, they deposited more egg masses on hibiscus (Hibiscus rosa-sinensis L.) and black-eyed pea.

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Anatomy and Histology of Reproductive Organs of Female <I>Homalodisca coagulata</I> (Hemiptera: Cicadellidae: Proconiini), with Special Emphasis on Categorization of Vitellogenic Oocytes

Cited by 25 publications

References 2 publications

Novel Rickettsiella Bacterium in the Leafhopper Orosius albicinctus (Hemiptera: Cicadellidae)

Novel Rickettsiella Bacterium in the Leafhopper Orosius albicinctus (Hemiptera: Cicadellidae)

Seasonal Patterns of FemaleHomalodisca coagulata(Say) (Hemiptera: Cicadellidae) Reproductive Physiology in Riverside, California

Suitability of Different Host Plants for Oviposition and Development of Homalodisca vitripennis (Hemiptera: Cicadellidae) and Its Implication on Mass Rearing

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