A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth by Peterson, Alvah

Cover of: A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth | Peterson, Alvah

Published by U.S. Dept. of Agriculture in Washington .

Written in English

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Subjects:

  • Oriental fruit moth.,
  • Parasitic insects.,
  • Codling moth.

Edition Notes

Caption title.

Book details

Statementby Alvah Peterson.
SeriesTechnical bulletin / United States Department of Agriculture -- no. 215, Technical bulletin (United States. Dept. of Agriculture) -- no. 215.
ContributionsUnited States. Dept. of Agriculture.
The Physical Object
Pagination22 p. :
Number of Pages22
ID Numbers
Open LibraryOL23004086M

Download A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth

A BIOLOGICAL STUDY OF TRICHOGRAMMA MINUTUM RILEY AS AN EGG PARASITE OF THE ORIENTAL FRUIT MOTH By PErrERSON^ Formerly Senior Entornóloffist, Division of Deciduous Fruit Insects, Bureau of Entomology CONTENTS Page Introduction 1 Methods.__.

2 Life history 4 Winter season. 4 Active season 4 Page. A Biological Study of Trichogramma Minutum Riley as an Egg Parasite of the Oriental Fruit Moth [US Department of Agriculture (USDA)] on *FREE* shipping on qualifying offers.

A Biological Study of Trichogramma Minutum Riley as an Egg Parasite of the Oriental Fruit Moth. Get this from a library. A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth. [Alvah Peterson; United States. Department of Agriculture.].

Download Citation | Trichogramma minutum Riley as a parasite of the oriental fruit moth (Laspeyresia molesta Busck.) in Ontario | The investigations described in.

The investigations described in this paper were carried out during the period –, and deal with the egg parasite, Trichogramma minutum Riley, with special reference to its field of usefulness in the biological control of the oriental fruit moth (Laspeyresia molesta Busck.) in Ontario. This cosmopolitan parasite is a factor of considerable importance in regulating the abundance of the Cited by: Published: January A microscopical study of the development ofTrichogramma minutum riley (the egg-parasite of the sugarcane borers in Mysore) and its parasitisation of the eggs ofCorcyra-cephalonica staint (the flour-moth employed in the mass production ofTrichogramma.

Krishnamurti 1. a microscopical study of the development of trichogramma minutum riley (the egg-parasite of the sugarcane borers in mysore) and its parasitisation of the eggs of corcyra-cephalonica staint (the flour- moth employed in the mass production of trichogramma.

by b. krishnamurti, sc. Peterson, A. () A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth. United States Depart- ment of Agriculture Technical BulletinSaakian-Baranova, A.

() Morphological study of preimaginal stages of six species of Trichogramma (Westwood) (Hymenoptera: Trichogammatidae). The egg-parasite ofSialis lutaria: a study of the influence of the host upon a dimorphic parasite.

Use of the parasiteTrichogramma minutum for controlling pecan insects. Van Steenburgh, W. — Trichogramma minutum Riley as a parasite of the oriental fruit moth.

Trichogramma parasitism of moth eggs can be monitored by placing cards of fresh moth eggs in fields or by two-minute timed egg searches of plants. Fresh moth eggs are usually white or a pale shade of yellow or orange. Moth eggs parasitized by Trichogramma darken to black within 48 hours.

Trichogramma are very tiny insects; 5 adults can fit on the tip of a pencil. These predators attack over species of Lepidopteran Caterpillar and Moths that destroy or damage vegetables and fruits. This package will supply you with approx. 10, - 12, live parasitized Trichogramma Eggs glued on.

Trichogramma minutum Riley entered diapause, in the prepupal stage, in eggs of Lambdina fiscellaria fiscellaria Guenée held at 15°C, 12LD, but failed to do so in eggs of Ephestia kuehniella (Zeller), Sitotroga cerealella (Olivier), or Choristoneura fumiferana (Clemens) held under these conditions.

The parasitoids emerged without diapause from eggs of all host species held at 25°C, 16L:8D. A biological study of Trichogramma mi nutum Riley as an egg parasite of the oriental fruit moth.

USDA Tech. Bull. Pinto, J.D. and R. Stouthamer. Systematics of the Tri chogrammatidae with emphasis on Trichogramma, in Bio logical Control with Egg Parasitoids, Eds. Wajnberg and S.A. Hassan, CAB International, Wallingford, Oxon, UK.

Eggs of Sialis lutaria, Tenebrio molitor, and Bruchus obtectus are chemically unsuitable for Trichogramma evanescens as food. Two biological characteristics of the host, its viability and its age, do not directly affect its suitability for Trichogramma; a third, the ability of the embryo to move, is of some importance.

PRODUCT DESCRIPTIONS: Egg-laying adult Trichogramma brassicae, platner/iminutum, and pretiosum, are Moth Egg Parasitoids capable of moth control as well as caterpillar mm. mini-wasps are effective Lepidopteran egg parasitoids. Lepidoptera (lep-ih-DOP-ter-rah) is the name of the order that moths and butterflies belong to.

Trichogramma minutum Riley entered diapause, in the prepupal stage, in eggs of Lambdina fiscellaria fiscellaria Guenée held at 15°C, 12LD, but failed to do so in eggs of Ephestia kuehniella.

She injects a single egg into the eggs of the pest. After consuming the contents of its host egg, a new adult emerges within a week. Because of this quick turnover, trichogramma wasps multiply rapidly given the right conditions.

During her day life, the female wasp will seek out and destroy about pest eggs by laying an egg inside of it. Trichogramma is a genus of minute polyphagous wasps that are endoparasitoids of insect eggs. Trichogramma is one of around 80 genera from the family Trichogrammatidae, with over species worldwide.

Although several groups of egg parasitoids are commonly employed for biological control throughout the world, Trichogramma spp. have been the most extensively studied. Biological control or biocontrol is a method of controlling pests such as insects, mites, weeds and plant diseases using other organisms.

It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management can be an important component of integrated pest management (IPM) programs.

There are three basic strategies for. Abstract does not appear. First page follows. Introduction Of the comparatively small number of entomophagous insects whose habits and host relations appear to make them usable in biological control work, the hymenopterous egg-parasite, Trichogramma, has probably received the widest attention.

Attempts have been made to utilize it in every phase of biological control, by protection. Abstract. The egg parasitoid, Trichogramma brassicae Bezdenko (Hymenoptera: Trichogrammatidae) is the most important and widely distributed species of Trichogramma in Iran.

It attacks eggs of several lepidopterous pests, and is a major biological control agent. Rearing parasitoids is necessary for experimental work, and, potentially, for mass release in the field.

Trichogramma sp. Moth Egg Parasite. Trichogramma are tiny wasps that prey on the eggs of more than pests, including borers, webworms, loopers, leafworms, fruitworms, cutworms, codling moth, bollworms, and armyworms.

The wasps lay their eggs in the pest eggs, killing them. The adult wasps emerge anywhere from 7 to 75 days, depending on temperature and moisture.

A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth Author(s): Peterson, Alvah, Subject(s): Oriental fruit moth., Parasitic insects., Codling moth.

Series: Technical bulletin. Year: The Trichogramma egg hatches into a small larva, which feeds on the inside of the moth eggs, killing it. After 8–10 days of feeding and developing, an adult Trichogramma wasp chews out through the shell of the moth egg.

An account is given of further investigations on the parasites of Cydia (Laspeyresia) molesta, Busck, on peach in Ontario [cf.

R.A.E., xix,etc.]. The marked increase in their numbers in was mainly responsible for a reduction in the damage effected by the pest. Trichogramma minutum, Riley, was first found parasitizing eggs in the last week of June; this was its earliest appearance.

The egg parasitoid, Trichogramma brassicae Bezdenko (Hymenoptera: Trichogrammatidae) is the most important and widely distributed species of Trichogramma in Iran.

It attacks eggs of several lepidopterous pests, and is a major biological control agent. Rearing parasitoids is necessary for experimental work, and, potentially, for mass release in the field.

Flight initiation of Trichogramma minutum Riley females occurs rapidly, within 8 h after emergence, but is delayed by the presence of host eggs, an observation suggesting that dispersal is driven by the need to find hosts (Forsse et al. Trichogramma minutum: Arbico: Trichogramma minutum: Rincon-Vitova: Moth egg parasite: Biocontrol network: Formulation and application details: Usually supplied as parasitised eggs attached to a card for distribution amongst the infested crop.

The mass production of Trichogramma minutum Riley and observations on the natural and artificial parasitism of the codling moth eggs.

Trans. 4th Intern. Congress Ent. 2: Flanders, S. Biological control of the codling moth. Econ. Contents vii Encarsia lounsburyi (Berlese and Paoli) (Hym., Aphelinidae) 34 Encarsia perniciosi (Tower) (Hym., Aphelinidae) 35 Cydia molesta (BuscK), Oriental Fruit Moth (Lep., Tortricidae) 35 Glypta rufiscutellaris Cresson (Hym., Ichneumonidae) 36 Hymenochaonia delicata (Cresson) (Hym., Braconidae) 36 Macrocentrus ancylivorus Rohwer (Hym.

Preliminary identification of the egg parasitoids based on morphological traits revealed that they belong to the genus Trichogramma Westwood, (Hymenoptera, Trichogrammatidae).

The objective of this study was to identify the autochthonous Trichogramma species present in the region of Kikinda by using sequences of ribosomal DNA. parasitise host eggs at night under controlled laboratory conditions.

Eggs of the moth Ephestia kuehniella were offered under dark conditions (scotophase) to females of Trichogramma brassicae and Trichogramma evanescens either from PM to AM or from AM to PM at four different temperatures (5°C, 10°C, 15° C and 20°C). Trichogramma minutum Riley as a parasite of the oriental fruit moth (Laspeyresia molesta Busck) in Ontario.

Canad. Res. Vet, L. Host-habitat location through olfactory cues by Leptopilina clavipes (Hartig) (Hym.: Eucoilidae), a parasitoid of fungivorous Drosophila: The influence of conditioning.

Neth. parasitic on the oriental peach moth and presented in Table 1 has been prepared.^ Information regarding the locality from which each 1 Received for publication Apr. 2, ; issued September, 2 In February,a survey of the more important parasites and predators of the oriental peach moth.

The trend of infestation by Cydia (Laspeyresia) molesta, Busck, is traced during the past 12 years in New Jersey, where after a progressive decline from a 90 per cent. infestation in tilla steady increase has occurred in and The status of control measures is also reviewed, and an account is given of experiments carried out in and in an attempt to develop a more.

This will free the eggs of wax and make possible a photograph seen in Fig. (10). Also eggs free of wax can be used in rearing egg parasites. The author has used clean bagworm eggs for year around rearing of Trichogramma minutum Riley.

See Peterson (, p. Bagworm eggs can be kept in a refrigerator around F until ready for use. They. Trichogramma minutum as a parasite of the codling moth and redbanded leaf roller. Journal ofeconomic entomol Journal ofeconomic entomol Patterson, N.

A new study, initiated inconcerns the systematics of the Minutum Complex, a group of forms important in the control of pests of fruit trees, particularly codling moth on apple. These wasps are available to growers and researchers commercially but the status of the named species (T.

PLATNERI and T. MINUTUM) is questionable. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. Among the four trichogrammatid species, T. pretiosum had the best biological and population growth parameters on T.

absoluta than the remaining three species. However, T. achaeae was able to match T. pretiosum with respect to the percentage of adult emergence and fecundity. Host parasitism by different egg parasitoids (–%), obtained in the present study, was close to (–%.

1) Change the genetic constitution of the species, 2) Modify the environment, 3) Collect or rear large numbers of the species and release them where they are needed or 4) find and introduce more effective individuals from another location (N.A.S., Insect-Pest Manaqement and Control, ).Biological studies on the leafhopper Empoasca fabae as a bean pest.

DeLong, Dwight Moore (). TB A biological study of Trichogramma minutum Riley as an egg parasite of the oriental fruit moth.

Peterson, Alvah (). TB Biology and control of the American dog tick. Smith, Carroll N.; Cole, Moses M., and Gouck, Harry K. (). TBBehavioural variations among strains of Trichogramma spp.

Behavioural variations among strains of Trichogramma spp. Pak, G. A. By G. A. PAK Abstract Host-age selection by parasites is the selection between hosts of different ages.

The literature on host-age selection by Trichogramma (Hymenoptera, Trichogrammatidae) egg parasites is reviewed.

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