Invertebrate Zoology

Contact experts in Invertebrate Zoology to get answers

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Questions related to Invertebrate Zoology

To which family of Macroinvertebrates does this attached insect belong?

This macro-invertebrate is collected from freshwater (highland streams) during wet season. The area is highland about more than 3565 meter above see level. I have also another unidentified...

03 March 2015 8,674 17 View

Could anyone help me to identify the species of these octopuses?

It was caught in the Ross Sea (SSRU 88.1 K and H) at the depth from 800 to 1200 m. The photos are attached.

03 March 2015 3,921 6 View

Which method is suitable to get maximum hemolymph from honeybees?

agriculture

03 March 2015 3,157 0 View

How can I get the values of permissible limits of metals in soil invertebrates?

I would like to compare the levels of metals in these invertebrates with those that are established. Samples are collected from a NORM site.

03 March 2015 1,820 2 View

Does anybody have information on the family Hyalidae for the North East Atlantic coast?

Does anybody have a checklist of the family Hyalidae for NE Atlantic coast? A usefull identification key (a new one) or some data on their distribution?

03 March 2015 1,494 5 View

Can any one suggest me the best key for identification subtidal sea anemons?

I want to identify sea anemones in muddy coastal waters (subtidal zone).

18 February 2015 9,852 4 View

Do you know what kind of organism is this?

I have found this structure attached to the abdominal sclerites of Hydraena (Coleoptera: Hydraenidae), from a high mountain river in north Spain. The beetle has about 2 mm length and the structure...

12 February 2015 2,449 11 View

How to find rodent density in a specified area?

Rodents are known to harbour Leptotrombidium Mites that transmits Orientia tsutsugamushi to healty people causing Scrub typhus. Thus estimation of the population density of rodents will be helpful...

02 February 2015 2,125 3 View

Can any one suggest me the best key for identification subtidal sea anemons?

I want to identify sea anemones in muddy coastal waters (subtidal zone).

02 February 2015 7,736 5 View

Do you know what kind of organism is this?

I have found this structure attached to the abdominal sclerites of Hydraena (Coleoptera: Hydraenidae), from a high mountain river in north Spain. The beetle has about 2 mm length and the structure...

02 February 2015 5,305 12 View

Can anyone help identifying these organisms?

I have attached the photo containing two organisms (marked). Help me to identify these organisms. It may be ascidian or any other type of tunicate

02 February 2015 1,361 4 View

Is there a zonation in the intertidal Polychaete fauna and can ratios be derived for environmental quality assessment?

The mangrove in Nigeria basically occur at three zones namely characterized by the low intertidal without any flora having the Diopatra, Other Serpulids, Cossuridae Capitellidae etc, followed by...

02 February 2015 8,661 6 View

Can and should behavioral data be used in a species description paper?

I am writing a species description paper for a species of cockroach found in Africa. My questions are the following. Can and should behavioral data be used in a species description paper? Is too...

02 February 2015 3,084 12 View

Are these marine invertebrate-a cnidarian?

Please see the photo. From tropical rocky intertidal habitat. Width of the image is around 60 cm

22 January 2015 7,925 16 View

Is there any alternative to Hoyer's medium?

We are facing a problem when we are using Hoyer's medium some air bubble will establish under cover slips after short time and consequence of that we are going to lose the specimen.

11 January 2015 6,449 11 View

Why are spider orb-webs shaped the way they are?

- Is it the most cost effective two dimensional network in terms of minimum hole size to silk length? - Is there a why to mathematically answer that?

01 January 2015 9,282 0 View

Are these marine invertebrate-a cnidarian?

Please see the photo. From tropical rocky intertidal habitat. Width of the image is around 60 cm

01 January 2015 3,528 17 View

Who can help me with material form the amphipod species listed below?

Amphilochoides boecki Sars, 1892 Amphilochoides serratipes (Norman, 1869)Cressa dubia (Bate, 1857)Deflexilodes subnudus (Norman, 1889)Dulichia tuberculata (Boeck, 1870)Eusirus longipes Boeck,...

01 January 2015 2,633 6 View

Where can I find a published glossary of terms that defines 'riblets' as a sculpture for mollusk shells?

I want to cite a formal work that has properly defined the term 'riblet' - as in a form or molluscan sculpture- in a paper and can't seem to find anything apart from secondary sources on the web....

01 January 2015 4,693 9 View

What R code do you use to calculate ANOVA when there is one fixed, and one random factor ?

I was wondering if you could help me figure out how to do an ANOVA that has a random effect. I have a dataset that comes from a split-brood experiment. The study is looking at whether different...

01 January 2015 7,790 4 View

Is there any alternative to Hoyer's medium?

We are facing a problem when we are using Hoyer's medium some air bubble will establish under cover slips after short time and consequence of that we are going to lose the specimen.

01 January 2015 10,029 12 View

Where can I buy live Mantispid flies (Mantispidae)?

Where can I buy live Mantispid Flies? (Mantispidae) I am unable to find any in my area in California. I am especially interested in the wasp mimics. Does anyone have any where they live that they...

01 January 2015 8,178 6 View

Can anyone help with the identification keys for Palearctic Bruchinae. ?

I need recent identification keys to identify the seed beetles in my collection from Turkey.

18 December 2014 2,704 2 View

Will the conditions of puddle area and time affected the presence of Lymnea sp. ?

I went to collect Lymnea sp around 9 a.m. to 12 p.m. but it show that no presence of Lymnea at the puddle area. I just want to confirm, what made lymnea not appear in the puddle area during this...

16 December 2014 1,836 1 View

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