Sucking herbivore assemblage composition on greenhouse Ficus correlates with host plant leaf architecture

On the base of data collected during four expeditions in Gabon (West Africa) from 2012 to 2016, the authors provide new information on trophic activity and reproductive behaviour of Paratomapoderus brachypterus (Voss, 1926) (Attelabidae: Apoderinae, Hoplapoderini), with emphasis on leaf-roll realisation; host plant, leaf roll, larva and pupa are illustrated for the first time.

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Nodulation Studies in Legumes II. The Influence of Various Environmental Factors on Symbiotic Expression in the Vetch (Vioia Sativa l.) And Other Legumes

Australian Journal of Biological Sciences ◽

10.1071/bi9580496 ◽

1958 ◽

Vol 11 (4) ◽

pp. 496 ◽

Cited By ~ 19

Author(s):

JS Pate

Keyword(s):

Northern Ireland ◽

Environmental Factors ◽

Host Plant ◽

Field Pea ◽

Nitrogen Accumulation ◽

Vicia Sativa ◽

Leaf Production ◽

Nitrogen Economy ◽

Plant Leaf ◽

Pisum Arvense

The major sequences of symbiosis in field�grown vetch plants (Vicia sativa L.) are similar to those described in Part I of this series (Pate i958) for the field pea (Pisum arvense L.). In both species symbiotic development is found to be charac� teristically synchronized with host plant leaf production and nitrogen accumulation. A generalized scheme for the symbiosis and nitrogen economy of the annual legume is derived from nodulation studies carried out in Australia and Northern Ireland.

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Poplar Tree Response to Feeding by the Petiole Gall Aphid Pemphigus spyrothecae Pass

Insects ◽

10.3390/insects11050282 ◽

2020 ◽

Vol 11 (5) ◽

pp. 282

Author(s):

Izabela Kot ◽

Katarzyna Kmieć

Keyword(s):

Host Plant ◽

Leaf Length ◽

Guaiacol Peroxidase ◽

Leaf Architecture ◽

Leaf Petiole ◽

Poplar Trees ◽

Leaf Tissues ◽

Mda Content ◽

Length Width ◽

Pemphigus Spyrothecae

Pemphigus spyrothecae Pass. which is a member of the subfamily Pemphiginae is one of the gall-inducing aphids that occurs on poplar trees. Phloem feeding of a founding mother on leaf petiole results in the formation of a new organ, i.e., the spiral gall. This study documents aphid development inside the galls during the growing season and the effect of their feeding on leaf architecture and physiology of the host plant. In particular, leaf length, width, and area were measured, as well as hydrogen peroxide (H2O2) content, electrolyte leakage (EL), malondialdehyde (MDA) concentration, and the activity of ascorbate (APX) and guaiacol peroxidase (GPX) were determined in galls and galled leaves. The presence of petiole galls significantly decreased the length, width, and leaf area. Aphid activity increased H2O2 concentration in galls and EL from galls and leaf tissues, which was accompanied by a strong decrease in MDA content and both peroxidase activities, especially in gall tissues. It can be suggested that P. spyrothecae can manipulate physiological machinery of the host plant for its own benefit.

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Bucculatrix crataega sp. nov. (Lepidoptera: Bucculatricidae), a leaf miner on Crataegus, representing the first formally named species of the family from mainland China

Zootaxa ◽

10.11646/zootaxa.4545.4.8 ◽

2019 ◽

Vol 4545 (4) ◽

pp. 578

Author(s):

TENGTENG LIU ◽

HU WANG

Keyword(s):

Host Plant ◽

Related Species ◽

Dna Barcode ◽

Mainland China ◽

Leaf Miner ◽

Plant Leaf ◽

Crataegus Pinnatifida ◽

Leaf Mining ◽

The Family

A new leaf-mining species of the genus Bucculatrix Zeller, 1839, B. crataega Liu, sp. nov., feeding on Crataegus pinnatifida Bunge is described herein, representing the first formally named species of Bucculatricidae from mainland China. Adult and genitalia of both sexes are described and illustrated. Host plant, leaf mine and cocoon are also illustrated. DNA barcode analysis supports the separation of B. crataega from related species.

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