Results 121 to 130 of about 2,401 (177)
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Ultrastructure of the malpighian tubules of Schistocerca gregaria
Journal of Morphology, 1988AbstractThe ultrastructure of the Malpighian tubules of the adult desert locust, Schistocerca gregaria, is described. Male and female adults possess about 233 tubules, which empty proximally into the midgut‐ileal region of the alimentary canal by way of 12 ampullae. The tubules vary from 10 mm to 23 mm in length.
Margaret A, Garrett +3 more
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Allatectomy and sexual receptivity in females of Schistocerca gregaria
Journal of Insect Physiology, 1977Abstract The removal of the corpora allata from immature females of Schistocerca gregaria causes the insects to enter a phase of permanent defence towards courting males. Operated control females copulate often, although they do not appear to show an active form of sexual display or attraction.
L, Strong, F P, Amerasinghe
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Potential distribution of Schistocerca gregaria gregaria in southwestern Asia
Agricultural and Forest Entomology, 2021The northern subspecies of desert locust Schistocerca gregaria gregaria has recently expanded into western Asia. It poses a serious threat to food security in areas that are already socially and politically
Gengping Zhu, Yongliang Men, Xinrao Han
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Axonal degeneration within the tympanal nerve of Schistocerca gregaria
Cell and Tissue Research, 1999This study describes time course and ultrastructural changes during axonal degeneration of different neurones within the tympanal nerve of the locust Schistocerca gregaria. The tympanal nerve innervates the tergit and pleurit of the first abdominal segment and contains the axons of both sensory and motor neurones. The majority of axons (approx.
K, Jacobs, R, Lakes-Harlan
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The embryonic apolyses of Schistocerca gregaria (Orthoptera)
Journal of Insect Physiology, 1972Abstract The origin and differentiation of the ecdysial glands and the appearance of the cuticles were studied in embryos of Schistocerca gregaria at corresponding stages. The development of the cuticle was also studied in headless embryos explanted in vitro. The ecdysial glands originate in the early stages before blastokinesis from two symmetrical
Anna Sbrenna Micciarelli +1 more
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A Nemestrinid Parasite of Schistocerca gregaria (Forsk.)
Nature, 1948DURING dissections of an immature male specimen of the desert locust, Schistocerca gregaria (Forskal), a yellowish larva of Nemestrinidae was found feeding on the testes and the surrounding adipose tissue. It was 1 cm. long. Its posterior end was surrounded by a chitinous cup leading to a slender respiratory tube c. 2 cm.
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The Anatomy of the Tarsi of Schistocerca gregaria Forsk�l
Zeitschrift f�r Zellforschung und Mikroskopische Anatomie, 1970The tarsus of S. gregaria is divided into three units (here called segments) and an arolium set between a pair of claws. The first segment bears three pairs of pulvilli in the fore and middle legs, and one pair and two single pulvilli in the hind legs. Segment two bears a pair of pulvilli, segment three one long pulvillus and the arolium a similar pad ...
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Standardized atlas of the brain of the desert locust, Schistocerca gregaria
Cell and Tissue Research, 2008In order to understand the connectivity of neuronal networks, their constituent neurons should ideally be studied in a common framework. Since morphological data from physiologically characterized and stained neurons usually arise from different individual brains, this can only be performed in a virtual standardized brain that compensates for ...
Angela E, Kurylas +4 more
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The fine structure of the ocelli of Schistocerca gregaria
Cell and Tissue Research, 1979A study of the organisation of the locust dorsal ocellus shows that the structure is designed to provide the maximum possible effective aperture. The condenser-like cuticular lens and the dispersal of the rhabdome over a large proportion of the circumferential area of the retinula cells increases the light gathering power of the eye.
L J, Goodman, P G, Mobbs, J B, Kirkham
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The dynamics of yolk deposition in the desert locust Schistocerca gregaria
Journal of Insect Physiology, 2007Injection of the protein dye Fast Green or the fluid-phase probe fluorescein dextran into the haemolymph of vitellogenic female desert locusts (Schistocerca gregaria) resulted in their incorporation into oocytes. We used Fast Green to study the physical dynamics of yolk deposition during vitellogenesis.
Andrew D, Peel, Michael, Akam
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