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2 edition of Descriptions of the larvae and pupae of some important lepidopterous stemborers of cereals found in the catalog.

Descriptions of the larvae and pupae of some important lepidopterous stemborers of cereals

E. J. Usua

Descriptions of the larvae and pupae of some important lepidopterous stemborers of cereals

by E. J. Usua

  • 253 Want to read
  • 22 Currently reading

Published by Entomological Society of Nigeria in Nigeria .
Written in English

    Subjects:
  • Noctuidae -- Larvae.,
  • Pyralidae -- Larvae.,
  • Stem borers -- Larvae.,
  • Grain -- Diseases and pests.

  • Edition Notes

    Includes bibliographical references (p. 19).

    Statementby E.J. Usua.
    SeriesOccasional publication,, no. 29, Occasional publication (Entomological Society of Nigeria) ;, no. 29.
    Classifications
    LC ClassificationsQL561.N7 U88 1980z
    The Physical Object
    Pagination29 p. :
    Number of Pages29
    ID Numbers
    Open LibraryOL1328176M
    LC Control Number92207618
    OCLC/WorldCa23134305

    Pupae were quiescent, rectangular and shining yellow, bearing 2 anterior dorsal black spots with spines all over the body, whose color changed to copper brown later. Egg, I instar, II instar, III instar and IV instar grubs and pupa measured ± mm and ± mm; ±File Size: KB.   Carrion beetle larvae of Necrodes littoralis (Linnaeus, ), Oiceoptoma thoracicum (Linnaeus, ), Thanatophilus sinuatus (Fabricius, ), and Thanatophilus rugosus (Linnaeus, ) (Silphidae: Silphinae) were studied to test the concept that a classifier of the subfamily level may be successfully used to classify larvae according to instar. Classifiers were created and validated using a Cited by: 9.

    Cereals (maize, sorghum, millet, rice) are extremely important crops grown in Africa for human consumption. Of the various insect pests attacking cereal crops in Africa, lepidopteran stem borers are by far the most injurious. All 21 economically important stem borers of cultivated grasses in Africa are indigenous except, which invaded the continent from India, and, which has recently been. Cereals (maize, sorghum, millet, rice) are extremely important crops grown in Africa for human consumption. Of the various insect pests attacking cereal crops in Africa, lepidopteran stem borers are by far the most injurious. All 21 economically important stem borers of cultivated grasses in Africa are indigenous except, which invaded the continent from India, and, which has recently been Cited by:

    Biology and Ecology Top of page Carter () reviewed P. operculella with reference to Europe; Trivedi and Rajagopal () gave a review of all aspects of the species, with special reference to India. A review of the knowledge of the pest over 50 years in South Africa was given by Daiber (). The eggs are laid singly or in batches on the leaves of the host plant, or on exposed tubers near.   Larvae were checked daily and all food and containers were changed daily. Weighing and Maintenance of Pupae. Approximately 12 h after larvae pupated, the puparia were weighed using an analytical balance (Ohaus Adventurer digital laboratory scale model APS, resolution – g, OHAUS, Parsippany, NJ) to the nearest by:


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Descriptions of the larvae and pupae of some important lepidopterous stemborers of cereals by E. J. Usua Download PDF EPUB FB2

Lepidoptera (/ ˌ l ɛ p ɪ ˈ d ɒ p t ər ə / LEP-i-DOP-tər-ə, from Ancient Greek lepís “scale” + pterón “wing”) is an order of insects that includes butterflies and moths (both are called lepidopterans).Aboutspecies of the Lepidoptera are described, in families and 46 superfamilies, 10 per cent of the total described species of living : Insecta.

Fossil larvae and pupae 21 Collecting, rearing, preservation and examination. 21 Biology and morphology of the immature stages 24 Eggs.

24 Larvae. 25 ~~ ~ Classification, nomenclature and use of keys. 30 Notes on the illustrations. 30 Key to suborders of British Diptera larvae. 32 Key to families for final stage larvae of British Nematocera.

With cereal and many other grain and wheat products, the FDA allows a certain amount of defects in food that don't pose any harm to our health or any danger to us. Some of this includes insects body parts, larvae, maggots, thrips, mold, rodent. The aim of this paper is to establish and describe a new endemic genus with two new species discovered during biodiversity research on Socotra Island (Hájek and Bezděk Bezděk, Bezděk.

The biology and identification of Trypetid Larvae (Diptera: Trypetidae) (Memoirs of the American Entomological Society) [Phillips, Venia Tarris] on *FREE* shipping on qualifying offers.

The biology and identification of Trypetid Larvae (Diptera: Trypetidae) (Memoirs of the American Entomological Society)Author: Venia Tarris Phillips.

Hinton, H. On the homology and nomenclature of the setae of lepidopterous larvae, with some notes on the phylogeny of the Lepidoptera.

Transactions of the Royal Entomological Society of London Hinton, H. The larvae of the species of Tineidae of economic importance. Bulletin of Entomological Research of obtaining larvae and pupae.

Sexing of adult insects was conducted by a squeezing method as described previously [42, 43]. The abdomen of each adult insect was gently pressed and squeezed with forceps from anterior to posterior, exposing the genitalia from the abdominal tip. Squeezing was unnecessary to discern some, if not all.

29 Int. Sustain. Crop Prod. 4(3) (May ) Host plant range and morphometrics descriptions of an emerging insect pest of cashew, plocaederus ferrugineus l. The mean body morphometric measurements of Plocaederus ferrugineus larvae were shown in Table 2.

The larva. Canola or oilseed rape (Brassica napus L.) is one of the most important crops worldwide as a main source of edible vegetable oil. A field study of the insect fauna and the phenology of diamondback.

ABSTRACT. Description of the third larval instar and pupa of Geniates barbatus Kirby (Coleoptera, Scarabaeidae, Rutelinae). The last larval instar and pupa of the Neotropical Geniatini Geniates barbatus Kirby, are described and illustrated.

Biological notes and a key to the third instar larvae of Neotropical Rutelinae are also provided. View Notes - Unit 2 Types of Holometabolous Larvae and Pupae from ENT at North Carolina State University.

Unit 2: Types of Holometabolous Larvae and Pupae Types of Insect Larvae: Caterpillar. Compare the larvae of a cutworm and a sod webworm. Cutworm-smooth body, no hairs, color depends on diet, and colorful stripes.

Sod webworms- are dull in color, circular spots, make hybernacule, and hairy. Some closely related beetle taxa, particularly species of the same genus or subfamily, have similar larval sizes or at least similar sizes of some larval structures, e.g. species of Dermestes, Omosita, or Silphinae [10–12].

Accordingly, we predict that larvae of some species may be classified according to instar using general classifiers Cited by: 9. The eggs, larvae, pupae and adults of insects were used in prehistoric times as food ingredients in humans, and this trend has continued into modern times.

Man was omnivorous in early development and ate insects quite extensively. Before people had tools for hunting or farming, insect constituted an important component of the human by: Lepidopterology (from Ancient Greek λεπίδος and πτερόν (wing); and -λογία-logia.), is a branch of entomology concerning the scientific study of moths and the three superfamilies of e who studies in this field is a lepidopterist or, archaically, an aurelian.

Descriptions are given of Ornithomyia strigilecula sp. n., from an undetermined host in Peru, and of the larvae of the Streblid, Aspidop-tera megastigma Speis., and the Nycteribiid, Kycteribia pedicularia Latr., dissected from females taken from bats from Paraguay and Switzerland by: 6.

This book is essentially a key to larvae of the families and species of Ephemeroptera occurring in the British Isles, together with introductory material and a review of larval ecology. Eighteen genera and 48 species are included in a checklist of the British fauna.

The subjects discussed in the chapter on larval ecology are habitats, behaviour, egg hatching, larval growth, biomass and Cited by: observed to eat Coleoptera larvae (Oxytelinae gen.

spp.), and Diptera larvae, pupae, and adults brought in with the material used to construct the terraria. Drosophila larvae were later added as additional food. Occasion­ ally, collected females were kept in standard containers and checked after 12 hours for oviposition (Table 1).

Description of the third larval instar and pupa of Geniates barbatus Kirby 41 Revista Brasileira de Entomologia 57(1): 40–46, March Figs. 1–7. Geniates barbatus Kirby; third instar larva.

1, lateral; 2, spiracles; 3, detail of the dorsal arm of thoracic spiracle; 4–6, external pro- mes o- and metatarsungulus with dorsal detail of the claw; 7, urosternite X. st, thoracic spiracle. Descriptions of three new longicorn beetles, with a key to the species belonging to the genus Nyssicus (Coleoptera, Cerambycidae).

American Museum novitates ; no. Lacey, Lionel. Maller, Anton. Type. Book. Publication info. Find in a local library. ut that the amount of rotational kinetic energy each NO2 group can have is required to be a multiple of £, where £= x 10^24 J.

In other words, each NO, group could have £ of rotational kinetic energy, or 2€, or 3€, and so forth - but it cannot have just any old amount of rotational kinetic energy.Start studying Unit 1 Ecology Test.

Learn vocabulary, terms, and more with flashcards, games, and other study tools.Young larvae have a black head then become green. Older larvae are light green with a white stripe along each side of the body and two white stripes along the back.

Pupation is in the cocoon under the leaf. The pupa is light green in the early stage and turns to dark brown.