The study of parasites, their hosts, and the relationship between them.

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Two different Leucochloridium infected snails - different species?

In the last three days, I have found two snails infected by some species of Leucochloridium. I found them in my garden in the south-west of Sweden. Now I'm wondering if they are the same species or ...
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1answer
31 views

Can cooking oil kill fleas?

I cannot find a reliable way to kill fleas after removing them from my cats with a flea comb. Soap and water does not do the job and they climb back out of the drain. Will cooking oil suffocate ...
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1answer
851 views

How to prove that pork meat has parasites

I suspect that the pork sold at a certain shop is infected with the parasite pork tapeworm (Taenia solium). Is there a way I can prove this without special equipment? Would it work to leave the raw ...
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How to calculate the number of sterile insects that must be released in SIT?

The sterile insect technique (SIT) is used to control insect pests through overwhelming the population in sterile males. The increase in sterile males released into an environment causes the increase ...
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1answer
22 views

Are Sciomyzidae fit to combat snails?

I read that Sciomyzidae are also called snail-killing flies, which immediateley made me think: "I need those"! Questions: Are they really fit to control snail over-population in my garden? and if ...
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65 views

Does malaria have a reservoir host?

Can warm blooded vertebrates other than humans act as reservoir hosts for malaria parasites? I'm mainly interested in Plasmodium vivax and possible reservoir hosts in the wider area of Europe/ ...
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57 views

Parasites with both plant and animal hosts?

Are there animals (or plants) that are parasitic on both animals and plants? Especially such that they rely on their plant host being eaten by their animal host?
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1answer
31 views

Are there any generic (not dependent on symptoms) ways to find parasite infections?

Are there any generic ways to determine if a person is infected with a parasite? With "generic ways" I mean ways that do not rely on symptoms caused by a particular parasite. Also I am mainly ...
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1answer
54 views

B-cell and T-cell activation by parasites

Parasitic infections lead to the production of parasite-specific IgE, but they also lead to the activation of nonspecific, polyclonal B-cells and T-cells. How do parasites trigger non-specific ...
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1answer
58 views

At which temperature is the Tick-Borne Encephalitis Virus destroyed?

At which temperature is the Tick-Borne Encephalitis Virus destroyed? If there is no data specifically for TBEV, is there any data for typical temperatures at which other Flaviviruses / Flaviviridae / ...
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1answer
60 views

Can you find malaria parasites in saliva?

Can you find plasmodium parasites (malaria) in saliva under microscope from someone who's infected? Or it's only in the blood?
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1answer
56 views

Effect of alcohol on parasites

I recently came across an article saying that fruit flies use alcohol to deter parasites. The researcher was quoted as saying there have not been any studies on the effect of human alcohol consumption ...
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Question about *Cryptosporidium hominis*

Cryptosporidium muris infects mostly rodents and it is usually found in gastric gladns. Cryptosporidium parvum infects humans and certain animals and it is found in the terminal ileum and colon. ...
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Encephalitozoon cuniculi

Can anyone advise me a literature supporting the claim that Encephalitozoon cuniculi is an aerobic organism? I have seen papers saying otherwise, but also I was told that this is not quite true.
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1answer
95 views

How closely related are two parasites Giardia intestinalis and Trichomonas vaginalis?

How closely related (from the evolutional point of view) are parasites Giardia intestinalis and Trichomonas vaginalis? Giardia genome is about 12 Mb and its major cellular proceses are rather simple. ...
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2answers
90 views

Why are human children more likely to get lice (nits) than adults?

By my own experience, lice seems to be prevalent in the hair of human children, but not in adults. My question is Why are human children more likely to get lice than adults? Assumptions: Can be ...
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1answer
61 views

Are there any arboreal mammals which eat leeches?

Are there any tree-dwelling mammals which might be found taking a living leech and eating it? (And do any hollow-dwelling birds of prey eat leeches?)
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1answer
731 views

Differentiating Taenia solium and Taenia saginata Infections

I have been told that both are spread by pigs and cattle, respectively. I would like to know the complications caused by Taenia solium and Taenia saginata. Also elaborate how dangerous is one as ...
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2answers
201 views

How do taenia form a species?

I know that there are many hermaphrodite animals and plants. But many of them seem to still exchange genes by mating with another member of their species. I now happened to read the Wikipedia ...
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2answers
69 views

Has an artificial symbiotic relationship ever been created?

Have 2 organisms ever been introduced to create a symbiotic relationship that doesn't occur in their natural environment?
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1answer
79 views

Blood consumption

Is consumption of blood more "dangerous" compared to meat? There was a news-article about unnatural chemicals found in the blood of mothers. This reminded me about a question I have pondered upon ...
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1answer
20k views

Can dish soap really be used to kill ticks and fleas?

An answer at Pets suggested using dawn dish soap to kill fleas. I did a little looking around, and found several references supporting the idea. Most of what I found was in 'selfhelp' and 'save a ...
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1answer
651 views

Why is the mosquito a definitive host in malaria?

I thought that the definition of a definitive host was that the parasite had to sexually reproduce in that particular host. I've been told that mosquitoes are the definitive host for the plasmodium ...
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1answer
84 views

Saliva test for Toxoplasma gondii?

I am trying to find some reliable gene kit by which you can rapidly test Toxoplasma gondii. I am not sure if it exists. I have an intuition that some tests done during 90s-00s on this species had high ...
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2answers
54 views

Tapeworms and their effect on humans

I've read that some people in some countries actually use tapeworms as a form of losing weight. What are the dangers to these people?
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1answer
64 views

Can P. falciparum and other malaria parasites be cultured and genetically engineered?

I'm not a parasitologist, and I was wondering about the current state of malaria research. For instance, is it possible to culture P. falciparum? Are there techniques for genetic manipulation, editing ...
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1answer
94 views

Giardia lamblia cases of infections

I am wondering if anyone has seen a data of Giardiasis (Giardia Lamblia) cases in different countries on the world? I have found for different diseases and also for 'diarrhoea diseases' in general, ...
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1answer
120 views

Is it true that there is a spider that eats parasites from caterpillars

I think I once saw a video of a caterpillar that could get infected by a parasite, and could die of that, unless a specific kind of spider would eat the parasite, and so once the caterpillar is ...
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1answer
44 views

Human defenses to toxoplasmosis

Toxoplasmosis modifies the rat's brain to make them love (and be eaten by) cats. It also infects ~30% of humans, and modifies traits in several bad ways (i.e. schizophrenia and increased reaction ...
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4k views

Species Identification - small insect: is this a bed bug?

I found this bug in my apartment in Chicago. We had bed bugs in our house the previous year (but we thought we got rid of them). This bug was very small - maybe 2 millimeters in length. These ...
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4answers
3k views

Why do parasites sometimes kill their hosts?

It's bothered me for a while now. I understand why a parasitoid would do this, as it only temporarily requires the host, and that not all parasites kill their hosts. There seems to be no evolutionary ...
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1answer
184 views

Zombie Ant Fungus?

Ophiocordyceps unilateralis is a parasitoidal fungus that alters the behavior of the infected. Source: Wiki page. How is the fungus able to alter the behavior of the infected to such specfic ...
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178 views

Is it possible for parasitic wasp to alter the behaviour of it's host after emerging from it?

I know that parasitic wasp larvae could live for a long time inside their alive host (eg. caterpillar), but I always thought that they kill the host when they eventually get out of it. But once I've ...
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1answer
111 views

How do parasitic fungi sense optimal fruiting conditions from inside the host?

Question is pretty straight forward. Are there generally any chemical cues?
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1answer
1k views

Examples of intracellular parasites of medical or economic importance?

What are examples of intracellular parasites of medical or economic importance? I have read that Xanthomonas oryzae is an intracellular parasite in rice that produces proteins able to cause changes in ...
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1answer
762 views

Is Aspergillus clavatus an unicellular organism?

I could not find the piece of information form Burton Human Parasitology -book and not by Google. Yeast is divided to two phylums: one of them is Ascomycota. Aspergillus clavatus belong to the given ...
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1answer
651 views

What are all possible vectors for unicellular human parasites?

I got the given question. They want the following pieces of information about protozoological human parasites: disease - parasite - vector. There are 10 proteogenic diseases at the Wikipedia. I ...