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Tuesday, February 11, 2020 | History

2 edition of Contribution to life history studies of Ontario Trichoptera. found in the catalog.

Contribution to life history studies of Ontario Trichoptera.

Janet Agnes Fraser

Contribution to life history studies of Ontario Trichoptera.

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Published .
Written in English


Edition Notes

Thesis (M.A.) -- University of Toronto, 1933.

The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL17984478M

Morse provided a thorough summary of the hypotheses of relationships proposed for the major groups of Trichoptera and also of the status of phylogenetic work at the family and genus level undertaken to date. Pan-Pacific Entomologist 58, Denning,DG There is significant variation in the cuticular structures associated with the opening ranging from no apparent modification, over scaly patches to elaborate protuberances. B Banks, N.

Many caddisflies have reduced or vestigal mouthparts. Our study supported the hypothesis of close relationship of the genera Amphipsyche McLachlan and Protomacronema Ulmer with the morphological synapomorphies: absence of a forewing discoidal cell and the presence of elevated head carinae on the larvae. In the British species of Enoicyla the adults emerge in September to November, the females mate as soon as possible as they only live about 5 days, during which time they lay about fifty eggs in a gelatinous mass. Case design and construction is distinctive for each family or genus of caddisfly. Psyche 9

All larval growth and development including pupation occurs within the case. Unlike Lepidoptera larvae, which are predominantly terrestrial herbivores, Trichoptera larvae, with very few exceptions, are aquatic and primarily detritivorous. They are described as medium-sized insects with setaceous bristle like and often long antennae. Alstad,DN Current speed and filtration rate link caddisfly phylogeny and distributional patterns on a stream gradient. Corbet,PS Parthenogenesis in caddisflies Trichoptera.


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Contribution to life history studies of Ontario Trichoptera. book

Has a key that separates the Apatania species of North America. The Trichoptera have been known to fishermen since they advent of fly-fishing and to the entomological for a longer time. This combined data analysis is the hypothesis of relationships presented above.

These superfamilies are equivalent to the suborders Spicipalpia and Integripalpia, as used here. The larvae are mostly eruciform caterpillar like and have a strongly sclerotized head with very short antennae and biting mouthparts.

Trichoptera facts for kids

Females can stay under the water for more than 30 minutes, the hairs on their body holds a film of air around the body which acts as a physical gill; CO2 diffuses into the water from this air film and oxygen diffuses the other way, the insect spiracles breathing holes are never in contact with the water so the insect is effectively still breathing air.

Southwestern Naturalist 25 4, This chapter provides an overview of the geographical, morphological, and ecological diversity of caddisflies. Each of the usually ten abdominal segments bears a pair of legs with a single tarsal joint. Annals of the Entomological Society of America Southwestern Naturalist 39 3 Ecology 6 2 Tech Bull.

Metamorphosis complete. Weconducted a literature review of species previously reported from Ecuador and supplemented these data with material we collected during five recent field inventories from about 40 localities spanning both hotspots.

The three currently recognized suborders are largely characterized by differences in the way silk is used Rosswhether to produce nets or tubes, or as glue to make various types of portable cases, often incorporating sand and small pebbles, or bits of leaves and twigs, each genus or even species building its own particular style of case.

Some species lay eggs on land and although most are associated with freshwater, a few like Symphitoneuria are found in coastal saline water. Gland function in male insects is unclear and may be used for aggregation or defense.

The Trichoptera (Caddis Flies)

In fact, a differentially weighted analysis performed in Kjer et al. Both pairs of wings and the body are usually covered with setae, or hairs, and occasionally with patches of scales. Banks,N Neuropteroid insects from New Mexico. In the cladograms presented, it was sister taxon to the Integripalpia, suggesting that Spicipalpia may not be monophyletic.

Allan,JD Trout predation and the size composition of stream drift. The tortoise-case makers construct a new and bigger case with each larval instar, and then pupate within the last larval case, after removing the ventral strap and attaching the case to the substrate.

Canadian Entomologist Our study supported the hypothesis of close relationship of the genera Amphipsyche McLachlan and Protomacronema Ulmer with the morphological synapomorphies: absence of a forewing discoidal cell and the presence of elevated head carinae on the larvae. They have greatly reduced mouthparts and five tarsi.

In general, three major groups have been recognized, more or less corresponding to the different ecological adaptations of the larvae. Wings form a roof over the abdomen when at rest Reduced mouthparts Long tapering, filiform antennae Life Cycle Caddisflies mate during flight and one female can lay up to several hundred eggs.

We refer to these by their most common subordinal names, Annulipalpia, Spicipalpia, and Integripalpia each in its most restricted sense and as used by Wiggins and Wichard Other Names for Trichoptera. Other structures present in some species are also suspected of being concerned with respiration.Ivanov, V.D.

Contribution to the Trichoptera phylogeny: new family tree with consideration of Trichoptera-Lepidoptera relations. Pages in W. Mey (editor). Proceedings of the 10th International Symposium on Trichoptera. Nova Supplementa Entomologica, Keltern.

Ivanov, V.D. and M.V. Kozlov. Phylogeny and classification of Psychomyiidae (Trichoptera) genera (English) Phylogeny and classification of Psychomyiidae (Trichoptera) genera Author / Creator: Li, Y. J. / Morse, Flight periods and life history strategies of caddisflies in temporary and permanent woodland brooks in the Lower Rhine area (Germany).

A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Contributions to the systematics of the caddisfly family Molannidae in Asia (Trichoptera) / Related Titles. Series: Life sciences contributions ; no.

72 By. Wiggins, Glenn B. Royal Ontario Museum. Genre. Book Material Type. Published material. Publication info. Trichoptera The caddice (sometimes spelled caddis) flies, as the members of this order are usually called, are rather soft-bodied insects ranging in size from.

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