Which of the following insects are useful to humans?
548379
Butterflies...They help pollinate plants
67737
I would assume in a townhouse you could potentially see\ncockroaches, silverfish, spiders, ants, fruit flies, house flies, mosquitos, earwigs, woodlice, maybe cat fleas/dog fleas? \nYou could also have human fleas or head lice\ntermites, if you live somewhere nice and warm, also scorpions\n\nif you have house plants could could also have white flies, aphids, nematodes, springtails\n\nif you keep them as pets, invertebrate pets are tarantulas, madagascar hissing cockroaches, giant centipedes, walking sticks, praying mantis
523147
Insects are invertebrates and are taxonomically referred to as the class Insecta. They are the most numerous and most widelyspread terrestrial taxon within the phylum Arthropoda. Insects are the most diverse group of animals on the earth, with around 925,000 species described—more than all other animal groups combined: "Indeed, in no one of her works has Nature more fully displayed her exhaustless ingenuity," Pliny the Elder exclaimed. Insects may be found in nearly all environments on the planet, although only a small number of species have adapted to life in the oceans where crustaceans tend to predominate. \n\nMoreover, A cockroach is an insect and insects are considered animals.\nI found all of this info on Google by the way.
398216
Mealworms Fast Facts:\n\narthropods \nover 75% of world's animal species are arthropods \narthropods have firm external skeleton (exoskeleton), segmented body and several pairs of jointed legs \nmealworms are the larval stage of the grain, or flour beetle - also called darkling beetle \nmealworms easily raised in classroom \ncan be used as fish bait \ncan be a source of food for other animals such as frogs and toads \nthey prefer undisturbed places \ncan live in an environment where dry grain food source (ie. flour, oatmeal, etc.) it available; this can include barns, grain elevators, flour mills, warehouses \ndarkling beetles have a complete metamorphosis: \nCheck out this site...\nhttp://www.cssd.ab.ca/tech/science/lifec/animallifec/mealworms_information.htm
991398
South American?  How long a list do you want?\nhelicopter damsel flies (incredible looking\ndragon flies\narmy ants  (awesome critters)\nkissing bugs\nvarious types of scorpions\nTons of various spiders (both scorpions and spiders  are arachnids and not insects -- insects have 3 body parts and 6 legs, arachnids have 2 body parts and 8 legs, both are arthropods as are centipedes and millipedes.\nButterflies,\nflies of all sorts of varieties\nmoths\nbeetles (the most successful insect of all)\nwalking sticks\nmantises\nbees\nwasps\nleaf insects (they look like a leaf)\ntermites\n\nenough???
185688
Look under leaves, wood, bricks, etc. Many insects like to burrow in tight, protective places. Failing that, check bushes and trees.
422304
piggies\ncalves\ntuna fish\nclam\ncamel toe\nhares\nass\npuss\ncrabs\ntics\nlice\n\nand if they are to tight, maggots
6946
Tough call, even if the question was about all humans not just all living things.\nZen monks would place rings on their staffs in order than they could jangle and allow small lifeforms to get out of their way so as not to be stepped on.\nTheir are no rings small enough to warn microbes and I am not sure that we should avoid killing some bacteria what might spoil our food or make our children sick.  (Do you wash your hands?)\nAnd what about those things which are not exactly alive?  Like viruses?\nWe do not kill every bug which enters our homes.  Some people are fanatical about this and others live with spiders and ants crawling all over the place.  Most of us would kill lifeforms we believe to be a threat to us or our families.  Some might even capture and release some species (including mice and larger lifeforms).\nSome things to consider include:  Are you affected by commercials which try to make you believe that you need to give someone money to buy a product which will kill some lifeforms to make you healthier or happier?  What happens to the lifeforms that become resistant?  Do you really want polio and smallpox living among humans?  How about 'skeeter and the west Nile virus?  or Maleria?\nLife is not simple.  Not for bugs.  Not for humans.\nAt least humans can think about what they are doing before they make a choice.
213009
insecto (some people eat insects)
236237
The two main group of pests that feed on food waste are rodents and insects such as flies and cockroaches. They are dangerous because they can spread disease. The most famous example is the role of the rat in spreading the black death which wiped out up to a third of Europe's population in the 14th century and was a recurring threat to populations until the 1700's. It is widely believed to have been caused by the bacterium Yersinia pestis spread by fleas with the help of animals like the black rat (Rattus rattus).
779634
Well there are different types of ants good for different things.\nFire ants are excellent scavengers, they can strip an animal down to the bones overnight thus eliminating the decomposing carcass. \nThat is just one example.\nAll ants of course are a food item for other animals which helps with our food cycle.\nThen there is always the example they show us by working tirelessly to help out the whole community, they are an excellent example of how a socialist society should work together to survive.
612603
http://commons.wikimedia.org/wiki/Category:Insects\n\nOr, turn over a log.
125729
Fish and aquatic insects
816549
1.) silkworm\n2.) sunset moth from Madagascar\n3.) saltmarsh caterpillar\n4.) sand cutworm\n5.) satin moth, scab mite\n6.) seedcorn beetle\n7.) shadbush sawfly\n8.) shadow darner\n9.) shorttailed swallowtail\n10.) silverfish \n\nAnd others...  ; )
581333
Black Garbage Fly\nThey may become abundant in piles of poultry and dairy cattle manure. The larvae are "beneficial" by preying on other fly larvae, especially the house fly. However, excessive numbers of adults may become annoying.\n\nDomestic Flies\nDomestic flies, often called "Filth Flies," are not only a nuisance by their presence, but are important from a human and animal health standpoint. House flies may spread diseases such as conjunctivitis, poliomyelitis, typhoid fever, tuberculosis, anthrax, leprosy, cholera, diarrhea and dysentery. They may serve as intermediate hosts for parasitic tapeworms on poultry or parasitic roundworms on horses. Certain larvae of blow flies, bottle flies, screwworm flies and flesh flies may feed on dead as well as living tissue of mammals, causing blood poisoning and even death, especially in sheep. Stable flies bite painfully, sucking blood from humans and animals. False stable flies do not bite, but spread certain diseases, whereas the little house fly hovers in mid air in the middle of rooms.\n\nBottle and Blow Flies\nThese flies are often attracted to dead animals, animal wounds, and feces-caked hair or wool on pets and farm animals. Larvae are commonly found in garbage wastes and pet droppings.\n\nFlesh Fly\nFemales deposit living maggots rather than eggs in decaying flesh of dead animals and excrement, especially dog stools.\n\n\nDrone Fly or Syrphid Fly\nLarvae, known as "Rattailed Maggots," develop in polluted water. \n\nStable Fly\nAdults resemble house flies except for the slender, pointed, sharp beak used to pierce skin and suck blood. Bites are painful. These flies may transmit anthrax and possibly infantile paralysis, leprosy, surra and swamp fever. Normally an outdoor fly, it attacks any warmblooded animal from rats to humans. \n\nFalse Stable Fly\nAdults can transmit filth-related diseases.\n\nLittle House Fly\nFemales lay eggs in semiliquid organic matter such as animal and human excrement.
1038838
A dragonfly is any insect belonging to the order Odonata, the suborder Epiprocta or, in the strict sense, the infraorder Anisoptera. It is characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated body.\nDragonflies typically eat mosquitoes, midges and other small insects like flies, bees, and butterflies. They are usually found around lakes, ponds, streams, and wetlands because their larvae, known as "nymphs", are aquatic. Dragonflies do not bite or sting humans; in fact, they are valued as a predator that helps control the populations of harmful insects, such as mosquitoes.
1069503
Well they are definatly one of the worst disease carrying insects on the planet. Actually the deadliest insect, or animal for that matter is the mosquito (Culicidae), which is a fly (order Diptera). House flies do have and act as the vector for several diseases, this has to do mostly with the way in which they feed. The fly mouthpart or haustelum is used for lapping up food, it has no functioning mandibles for chewing. The fly's favorite food as an adult is many forms of sugar. In order to dissolve sugar, a liquid must be added, and due to fly's limited resources, it uses its own saliva to dissolve the sugar particles. This regurgitation is how many of the common zoonotic infections are spread by this seemingly harmless insect