scholarly journals Life-history traits maintain the genomic integrity of sympatric species of the spruce budworm (Choristoneura fumiferana) group on an isolated forest island

2011 ◽  
Vol 1 (2) ◽  
pp. 119-131 ◽  
Author(s):  
Lisa M. Lumley ◽  
Felix A.H. Sperling
Keyword(s):  
Life History ◽  
Life History Traits ◽  
Choristoneura Fumiferana ◽  
Spruce Budworm ◽  
Sympatric Species ◽  
Genomic Integrity ◽  
Forest Island

From branch to bench: establishing wild spruce budworm populations into laboratory colonies for the exploration of local adaptation and plasticity

2021 ◽  
Vol 153 (3) ◽  
pp. 374-390 ◽  
Author(s):  
K. Perrault ◽  
A.A. Wardlaw ◽  
J.N. Candau ◽  
C.L. Irwin ◽  
M. Demidovich ◽  
...  
Keyword(s):  
Regional Variation ◽  
Life History Traits ◽  
Choristoneura Fumiferana ◽  
Common Garden ◽  
Spruce Budworm ◽  
Population Differences ◽  
Wild Populations ◽  
Laboratory Colonies ◽  
Common Garden Experiments ◽  
Disease Free

AbstractSpruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae), is a destructive defoliator found throughout the Nearctic boreal forest. This pest has a broad geographic range and shows regional variation in key life history traits. These population differences may represent important adaptations to local environmental conditions and reflect underlying genetic diversity. Existing laboratory colonies of spruce budworm do not capture this regional variation, so we established five new spruce budworm colonies from across its range to explore regional adaptations among spruce budworm populations within common garden experiments. We present methods for establishing new spruce budworm laboratory colonies from wild populations. We describe the process of flushing, rearing, and disease screening used on these new populations to produce healthy disease-free laboratory stocks.

Heritability of life-history traits in the spruce budworm

2013 ◽  
Vol 17 (1) ◽  
pp. 111-117 ◽  
Author(s):  
Roberto Quezada-García ◽  
Éric Bauce
Keyword(s):  
Life History ◽  
Life History Traits ◽  
Spruce Budworm

scholarly journals Life history traits influence in gonad composition of two sympatric species of flatfish

2015 ◽  
Vol 63 (3) ◽  
pp. 171-179
Author(s):  
Juan Luis Gadea Alvarez ◽  
Martín Bessonart ◽  
Larisa Magnone ◽  
Florencia Féola ◽  
María Salhi
Keyword(s):  
Life History ◽  
Fatty Acid ◽  
Food Webs ◽  
Lipid Content ◽  
Brackish Water ◽  
Life History Traits ◽  
Sympatric Species ◽  
Water Bodies ◽  
Gonadal Maturation ◽  
Paralichthys Orbignyanus

AbstractParalichthys orbignyanus and Paralichthys patagonicus are flatfish with different life history traits, having in common the condition of breeding in seawater. Paralichthys patagonicus remain their whole life in open seawater and Paralichthys orbignyanus are sometimes found in brackish water bodies. As marine and estuarine food webs have different fatty acid (FA) compositions, the aim of this study was to characterize the gonadal maturation of P. orbignyanus and P. patagonicus females through the analysis of lipid content and FA profile in order to understand to what extent life history traits are reflected in the ovarian composition. During gonadal maturation lipid content increased and FA profiles changed in both species, but the lipid increase was greater in P. orbignyanus. The N-3FA and n-3HUFA proportions increased in both species but were higher in P. orbignyanus. The differences between the lifestyles of these species were reflected in the ovarian FA profile mainly as a result of differences in their FA metabolism, causing a greater accumulation of n-3FA and n-3HUFA in P. orbignyanus than in P. patagonicus. The higher lipid accumulation in P. orbignyanus’ ovaries could indicate that this species, feeding in brackish water bodies, has the possibility of storing more energy than P. patagonicus.

Comparative analysis of life-history traits in two species of C alomys (Rodentia: Sigmodontinae) in captivity / Analyse comparative des traits d'histoire de vie de deux espèces de Calomys (Rodentia: Sigmodontinae) en captivité

Mammalia ◽  
2006 ◽  
Vol 70 (1-2) ◽  
Author(s):  
Luciana O. Araripe ◽  
Paula Aprigliano ◽  
Natalie Olifiers ◽  
Pavel Borodin ◽  
Rui Cerqueira
Keyword(s):  
Growth Rate ◽  
Life History ◽  
Litter Size ◽  
Life History Traits ◽  
Reproductive Traits ◽  
Sympatric Species ◽  
Apparent Difference ◽  
Stress Reactions ◽  
Lower Growth ◽  
Litter Mass

AbstractWe analyzed life-history traits (fertility, growth and rate of postnatal development) in captive-bred colonies of two closely related sympatric species: Calomys expulsus and C. tener (Rodentia, Sigmodontinae). We found significant differences between the species in growth rate and several reproductive traits. C. tener had a smaller litter size and litter mass, smaller proportion of litter mass to maternal mass, lower growth rate and higher infant mortality. We also found an apparent difference in correlation patterns of life history parameters between the two species of Calomys . The strong correlation between body size and fecundity found in other studies of life history traits and in selection experiments seems to be disrupted in C. tener . We found a significant positive correlation between maternal mass and litter size and mass only for C. expulsus, which means that in C. tener the fertility of females does not depend strongly on body mass. We discuss inbreeding depression and stress reactions as possible reasons for these results.

Comparative analysis of life-history traits in two species of C alomys (Rodentia: Sigmodontinae) in captivity / Analyse comparative des traits d'histoire de vie de deux espèces de Calomys (Rodentia: Sigmodontinae) en captivité

Mammalia ◽  
2006 ◽  
Vol 70 (1-2) ◽  
Author(s):  
Luciana O. Araripe ◽  
Paula Aprigliano ◽  
Natalie Olifiers ◽  
Pavel Borodin ◽  
Rui Cerqueira
Keyword(s):  
Growth Rate ◽  
Life History ◽  
Litter Size ◽  
Life History Traits ◽  
Reproductive Traits ◽  
Sympatric Species ◽  
Apparent Difference ◽  
Stress Reactions ◽  
Lower Growth ◽  
Litter Mass

AbstractWe analyzed life-history traits (fertility, growth and rate of postnatal development) in captive-bred colonies of two closely related sympatric species: Calomys expulsus and C. tener (Rodentia, Sigmodontinae). We found significant differences between the species in growth rate and several reproductive traits. C. tener had a smaller litter size and litter mass, smaller proportion of litter mass to maternal mass, lower growth rate and higher infant mortality. We also found an apparent difference in correlation patterns of life history parameters between the two species of Calomys . The strong correlation between body size and fecundity found in other studies of life history traits and in selection experiments seems to be disrupted in C. tener . We found a significant positive correlation between maternal mass and litter size and mass only for C. expulsus, which means that in C. tener the fertility of females does not depend strongly on body mass. We discuss inbreeding depression and stress reactions as possible reasons for these results.

STUDIES ON DIPTEROUS PARASITES OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (CLEM.) (LEPIDOPTERA: TORTRICIDAE): II. PHRYXE PECOSENSIS (TNS.) (DIPTERA: TACHINIDAE)

1953 ◽  
Vol 31 (4) ◽  
pp. 392-403 ◽  
Author(s):  
M. G. Maw ◽  
H. C. Coppel
Keyword(s):  
British Columbia ◽  
Life History ◽  
Choristoneura Fumiferana ◽  
Spruce Budworm ◽  
Immature Stages ◽  
Reproductive Systems ◽  
Egg Deposition ◽  
Native Parasite ◽  
Time Required ◽  
Made In

Phryxe pecosensis (Tns.) is a native parasite attacking several species of lepidopterous larvae. It has been reared consistently from collections of the spruce budworm made in British Columbia. The time required from egg deposition to the beginning of the formation of the puparium was 7 to 11 days, the female taking the longer period. The puparium was usually completed within a 24-hr. period and the adult emerged 9 to 11 days later. The life history and habits of the insect are described and the salient characters of the immature stages and the internal reproductive systems of the adults are illustrated and described.

THE EFFECT OF THE POXVIRUS OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE), ON MAMMALS AND BIRDS

1972 ◽  
Vol 104 (9) ◽  
pp. 1333-1342 ◽  
Author(s):  
Charles H. Buckner ◽  
John C. Cunningham
Keyword(s):  
Life History ◽  
Adverse Effects ◽  
Small Mammals ◽  
Choristoneura Fumiferana ◽  
Spruce Budworm ◽  
Normal Weight ◽  
Population Densities ◽  
Wild Mammals ◽  
Life History Parameters ◽  
Rats And Mice

AbstractLaboratory-bred rats and mice fed heavy doses of the poxvirus of the spruce budworm showed no ill effects and made normal weight gains as compared with controls over a period of 8 weeks, and no deaths occurred in the treated groups. Laboratory and wild mammals exposed to aerial spray in open-topped cages similarly showed no adverse effects. Population densities, fecundity, and other pertinent life history parameters of small mammals and birds were studied relative to treatment of a forest with the poxvirus for control of spruce budworm. There were no observable interactions between these small vertebrates and the virus. It is concluded that, from the standpoint of homoiothermic vertebrates, the virus is a safe insecticide.

STUDIES ON DIPTEROUS PARASITES OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (CLEM.) (LEPIDOPTERA: TORTRICIDAE): III. CEROMASIA AURICAUDATA TNS. (DIPTERA: TACHINIDAE)

1954 ◽  
Vol 32 (3) ◽  
pp. 144-156 ◽  
Author(s):  
H. C. Coppel ◽  
M. G. Maw
Keyword(s):  
Life History ◽  
Larval Stage ◽  
Choristoneura Fumiferana ◽  
Spruce Budworm ◽  
Immature Stages ◽  
Eastern Canada ◽  
Mature Larva ◽  
Rearing Methods ◽  
Tachinid Parasite

The tachinid parasite Ceromasia auricaudata Tns., which had been transferred from Western to Eastern Canada for release against the spruce budworm Choristoneura fumiferana (Clem.), is an insect that deposits microtype eggs on leaves which are later ingested by the host. Eggs hatch immediately after ingestion, but the parasite does not develop beyond the first larval stage until the host pupates. Then the larva develops rapidly, maturing within 10 days. The mature larva leaves the host pupal case, drops to the ground, and pupates usually within 24 hr. Nine to 11 days later, the adult emerges. Very little information is available on the overwintering habits. The life history, habits, and rearing methods are outlined and important characters of the immature stages are illustrated and described.

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