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Questions tagged [entomology]

The scientific study of Insects. If the question is about some other group of arthropod use 'arthropod' tag.

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39 views

Identifying this winged ant with big hind legs

I found this walking across my floor not too long ago. I am not sure if it is actually an ant, I just chose the best words I could find for the title. It has wings, but does not seem to ever fly. It ...
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37 views

What type of bug is this [closed]

Found in apartment block in the two ground floor flats in Letchworth UK
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69 views

Is this a bed bug

I'm moving into a new house. We have pretty much thrown out all of the bed furniture's and have not seen any bugs in the sheets or anything like that. But, while preparing for painting, I saw this ...
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What insect is this case from?

I found this insect case in my garden in the south of Melbourne (Australia), under some dried leaves from a tree that I'd cut down. It is 8 cm long, which is pretty big for an insect! The photo is of ...
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105 views

Are they bed bugs?

I found these two bugs. I know that my pictures are not fully clear, but could they be bed bugs? One was found on the wall between my bedroom door and the other one trap in a Cochrane trap beside my ...
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Spiders hanging from the sky?

This happened in a field in the south of Siberia, almost on the border with Mongolia and Kazakhstan. It was summer. The field was clean, without trees, without buildings, just plain terrain. There ...
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120 views

ID request ~2mm insect monstrosity

This tiny monstrosity (~2mm in length) was inside of some kind of "flat tent cocoon" on a pepper plant leaf in Washington state, USA. Not sure what's going on here. Is it malformed or infected?
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63 views

What insect is this? Found this at home, India

Found this insect in Kolkata India. Has a sting at its rear end. The wings are shiny.
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1answer
69 views

What is this insect? 6 legs and black spots

What is this bug? Details: - Georgia, (Southern) USA - Maybe 1-4cm in size - Seen near an open area/crack between an outer door-frame and door where it could have come from outside, or going from ...
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129 views

Can anyone (urgently) tell me if this is a bed bug

We just arrived in a place where a lot of people were living before. This is what we found on the mattress and we are curious to see if this is a bedbug, or some harmless species; To know if we go ...
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1answer
52 views

Could anyone please identify this Indian bug?

Photographed by a friend recently in central India. next to Panna Tiger Reserve.
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1answer
74 views

The emergence of Phengaris butterflies from ant nests

The butterflies of the Phengaris genus (also known as Maculinea) are known to be brood parasitic. During the fourth instar, the caterpillars leave their food plant and mimic ant larvae, causing the ...
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58 views

What are the white eggs growing from a black stem on the Napa cabbage plant?

Are they fungal or eggs? Can't find anything like this in the internet
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35 views

What are reasons we know insects evolved on land rather than water

I am reading up on the evolution of insects, and insects supposedly evolved on land rather than water. How do people know?What evidence is there that insects evolved on land and not water?
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Question regarding aposematism

Are all aposematic insects chemically defended? Can there be insects that mimic chemically defended insects that are also aposematic? Any ideas?
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47 views

Why do insects move so differently than land animals?

Why do the fastest insects have 6 legs instead of 2 or 4? Why don't any trot or gallop like a cheetah, for instance? I know that if a... cheetah were scaled down to the size of a tiger beatle, it ...
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Adult Bugs in Low Humidity House Heated With Wood?

I have a home heated with wood. The humidity is currently around 30% but I'm guessing these bugs have reproduced when the humidity was higher. They really have a hard time when I see them in the ...
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Exactly what kind of spider is this in Louisville, KY? [duplicate]

I took this photo many years ago, but I guess the year doesn't really matter. It was here in Louisville KY, on the outside of a window, on a web it built. It was a couple hours after sunset in the ...
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194 views

What specimen of caterpillar is this?

Early this morning, I found this beautiful caterpillar specimen crawling over a leaf: This specimen was found today morning (spring season) in Brazil at Porto Alegre City 30°01′59″S 51°13′48″W. With ...
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Do Dispersal Kernel Probabilities Change Over Time?

I am new to the world of integrodifference equations and dispersal kernels. What I am doing is calculating a spatial-dynamic optimization process and was hoping to use IDE’s in order to model my ...
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1answer
35 views

Can Darkling Beetles Fly?

I searched the internet on the question whether darkling beetles can fly, and I read mixed results to it. Some say they can, there are even videos about it, but then again they say that they cannot, ...
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Minimal temperature for survival of Phytoseiulus persimilis / Amblyseius californicus

I'm looking for a recent reference about the minimal temperature at which predatory mites of the type Phytoseiulus persimilis or Amblyseius californicus can survive. The only reference I found is a ...
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1answer
57 views

Can a ladybug be determined just by its number of points?

I saw a ladybug on my balcony one day and I just counted the dots. There was 18 black dots on a red/orange elytra. The location is in Europe (Geneva, Switzerland) and usually we have quite ...
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Infectious diseases spread by insects

if blood feeding insects can transmit many diseases(west nile,...,etc.),why cannot all infectious diseases like AIDS,Ebola be vectored by insects?
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Why are bees “committing suicide” in my house?

There is a beehive about 500-1000 meters away from my house. During the last years, almost every day, one or more bees enter from the window, "dance" for an hour or two, and then drop dead on the ...
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54 views

What type of ants are these?

I live in NYC and these fellas started popping out near my computer screen and desk. They don't seem interested in food as my sister usually leaves candy wrappers around. They however are stinky, I ...
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1answer
63 views

What is this insect? (Location: Hong Kong; size: 8 mm long, 4 mm wide, 2 mm thick; color: black with some brown at center on the top)

What is this insect? (Location: Hong Kong; size: 8 mm long, 4 mm wide, 2 mm thick; color: black with some brown at center on the top) The insect in the picture was slightly damaged after an ...
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Bug identification: how to identify this bug?

I found this cast/shed skin from molting in my house: The house is in the countryside by the beach in Portugal with a temperate and humid climate and mostly pine trees and eucalyptus. Humidity is 84% ...
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1answer
52 views

Help to identify larva found in sink?

I need some help in identifying this critter. It was found in southeast Georgia in a home I am renovating. There were several around the sink and toilet bowl. Approximately 5 millimeters long. ...
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Green/brown hissing caterpillar turns into brown pupa?

A while ago i found a big fat hissing green/brown caterpillar and I've been keeping it in an old strawberry container and i cut open the silk sac thing to find the caterpillar gone and its skin dry ...
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1answer
58 views

Identification of larva on cat fur

I found this larva (assuming it is a larva) when my cat jumped off my bed, I'm assuming she just picked it up outside. However, I'm not quite sure what it is or if it should be a concern she had it on ...
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1answer
71 views

What are these bugs skittering about the kitchen sink?

I found a bunch of these around a kitchen sink in an apartment building in Toronto, Canada, in late October, 2019. The bugs vary in size, but are all very tiny, less than one millimeter (the photos ...
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Which cultivated plant produce most pollen for pollinators?

Pollinators are important for many crop types (e.g. wikipedia list), but I am wondering how important the crops are to feed the pollinator. Obviously, some of the crop plants provide much more food ...
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2answers
76 views

Which cultivated plants produce most nectar for pollinators?

Pollinators are important for many crop types (e.g. wikipedia list), but I am wondering how important the crops are to feed the pollinator. Obviously, some of the crop plants provide much more food ...
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1answer
90 views

What is this insect that I found under my bed

Found it under a hotel bed in Las Vegas, what is it?
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Will a mother praying mantis stay with the egg sack?

We caught a pregnant praying mantis (without knowing it was pregnant). It made an egg sack on the underside of a cardboard bridge in its container. It is in Pasadena, California. It kind of looks ...
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What is this small black insect with an orange stripe?

Sorry for the poor quality of the second image, but a slightly different perspective may be useful. This was taken in South Africa, Western Cape during the day. They're fairly small, maybe around 5mm ...
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1answer
90 views

What is this hard shelled insect in my house?

I moved to a new city in west India last year and I've since, on several occasions, seen this insect on walls and it's usually climbing using its head. It has a greyish long shell and moves in a very ...
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1answer
45 views

Insect Egg Case, and if so, What Insect?

Observed this object today (early October) in Sabino Canyon, on the north side of Tucson AZ, in a riparian area. It's attached to a mesquite tree (Prosopis spp). It's attached to one side of the ...
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1answer
42 views

What are the appendeges behind a crane fly's wings?

I noticed that crane flies have strange appendages behind their wings. The appendages look like a pair of antenna or a pair of vestigial wings. In the following picture I marked these appendages with ...
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1answer
63 views

Identify this insect (looks like part of a tree)?

I found this insect and thought it was part of a tree at first, then it moved and so I knew it was an insect. I've never seen it before though so I am posting here hoping someone knows what it is. ...
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1answer
143 views

What bug is this? Manchester, UK

The creature appears to have a green body with 5 legs of the same size, and one longer than the rest. It moved this long leg around, and it looked like it was using it to sense it’s surroundings. ...
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2answers
72 views

Can anyone identify this insect from India?

Found this bug in Chennai. Curious to know what kind it is. Does it pose any danger?
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Why do some ant workers still wander at night?

As far as I have seen, the vast majority of workers in colonies of diurnal, non-nomadic species return to their nests and remain there at night. The colonies seem to forage largely during the day. ...
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53 views

Help me identify this Bug species

I found this insect in Pune/India. Its body size was less than 1 cm. It was near light source. I suspected it to be Juvenile Thread-legged Bug, but i am not sure. Is my suspicion right or is it some ...
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70 views

Species identification: 2.5mm (3/32“ or 1.5/8”) brownish ant in highrise apartment

Can anyone please identify this ant? In case it helps, 3 attempts of using Ortho Ant Bgon Max gel and bait has not helped. They 2 were administered 2 weeks apart. Apparently, it's basically borax ...
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57 views

Are these termites

Found a large number of these trapped between my window and the window frame. Are they termites? Location: Eastern Massachusetts, USA
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Is there an example of a species wherein the female lays eggs in the male?

There are of course many species which lay eggs in the bodies of another species and also many species where either the male is eaten after mating or the male dies soon thereafter. So it seems ...
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What is this grasshopper doing?

I spotted a grasshopper standing on a pavement with a long sting placed in asphalt. I also recorded a video of it moving: https://youtu.be/JoDdg2yUuYo What is it doing?
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Which species of millipede is this?

Location: Tirupati, Andhra Pradesh, India Found this millipede on the campus of my institute. Need the scientific as well as the common name. Any help would be greatly appreciated. It's about 5-6 cm ...