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Prevalence of Sarcocystis spp. in Two Subspecies of Caribou (Rangifer tarandus) in Newfoundland and Labrador, and Foxes (Vulpes vulpes), Wolves (Canis lupus), and Husky Dogs (Canis familiaris) as
A study was conducted to determine the prevalence and geographical distribution of Sarcocystis spp. infecting 2 subspecies of caribou (Rangifer tarandus) inhabiting Newfoundland and Labrador and itsExpand
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Autumn phenology of face fly (Diptera: Muscidae) populations in Iowa, USA.
Application of age-grading methods to face fly (Musca autumnalis) populations in 7 consecutive autumns provided an estimate of the dynamics of reproduction and diapause. Teneral flies abruptlyExpand
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Effects of precocene and methoprene application in young adult Musca autumnalis
Abstract Observations were made on the relative rates of growth among corpora allata, ovarian follicles and fat bodies in diapausing and reproductive Musca autumnalis DeGeer. Rates of corpora allataExpand
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Humoral induction of milk synthesis in the viviparous cockroach Diploptera punctata
Summary Factors that contribute to the onset of milk production by the brood sac of the viviparous cockroach Diploptera punctata were studied. Milk, which normally begins to be secreted on day 20 ofExpand
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Regulation of competence for milk production in Diploptera punctata: interaction between mating, ovaries and the corpus allatum
Summary The brood sac of the viviparous cockroach Diploptera punctata produces a protein-rich milk to nourish its young during gestation. Competence for milk production begins 7 days postovipositionExpand
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Light Intensity, Photoperiod, and Diapause Induction in Face Flies (Diptera: Muscidae)
In the fall, adult face flies enter a facultative diapause in which mating and ovarian maturation do not take place, and their fat bodies become hypertrophied. Laboratory studies implicate shortExpand
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Development of competence for milk production in a viviparous cockroach and its association with changes in brood sac glycogen
Summary Quantities of protein-milk, glycogen and phosphorylase activity were measured in brood sacs of the cockroach Diploptera punctata to understand how competence to synthesize milk is achieved.Expand
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Segregation of Cockroach Nymphs into Sibling Groups
We studied aggregation of nymphs of the cockroach Leucophaea maderae . Sibling nymphs were found to cluster together more frequently than nonsibling nymphs. The tendency to associate with siblings isExpand
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Ecology of Feral Pigeons: Population Monitoring, Resource Selection, and Management Practices
Feral pigeons (Columba livia) are typically ignored by ornithologists but can be found roosting in the thousands within cities across the world. Pigeons have been known to spread zoonoses, throughExpand