Päiväkirja-arkisto kohteelle toukokuu 2013

toukokuu 27, 2013

Moth trap: Hellerup, Denmark, 25/26 May 2013

Robinson trap (MV) run in garden. After a slow start this year, the range of moths is increasing.

The following species were found in the trap in the morning (aside from the Brimstone Moths, Opisthograptis luteolata, which, as is usual with this species, flew around the trap in the night but did not enter):

Yponomeutidae: 1 Swammerdamia caesiella

Plutellidae: 5 Plutella xylostella (photo from day before - another individual from trap in Flickr photostream)

Tortricidae: 1 Notocelia cynosbatella

Pyralidae: 2 Aphomia sociella

Geometridae: 1 Xanthorrhoe fluctuata, 1 Hydriomena ruberata, 2 Eupithecia exiguata, 1 Eupithecia vulgata, 1 Gymnoscelis rufifasciata, 2 Opisthograptis luteolata, 1 Lomographa temerata

Sphingidae: 1 Smerinthus ocellata

Notodontidae: 1 Notodonta dromedarius

Noctuidae: 1 Agrotis exclamationis, 1 Charanyca trigrammica

The Brimstone Moth was photographed with a macro ring LED light as it sat on the outside of the trap at night.

Julkaistu toukokuu 27, 2013 07:19 AP. käyttäjältä dhobern dhobern | 11 havaintoa | 0 kommenttia | Jätä kommentti

Focus stacking

Spent some time yesterday with CombineZP to stack series of images of live moths to create compound images with greater depth of focus than any of the individual images.

I used a tripod with a Canon SX40 HS mounted on a slider rail and fitted with a Raynox DCR-250 snap-on super macro lens to take series of photos of different moths across the full range of focal distances that intersected the moth. In each case I used the camera's internal flash diffused with a collapsible flash diffuser and a 10-second shutter delay.

I've created three composite pictures. In each case it was much more effective to include only the smallest possible range of images that encompassed the whole moth. With Cydia strobilella, I had to exclude some of the photographs that showed additional sections of the left antenna since the position of the antenna changed between images.

For comparison, here is the best single-shot image I managed of each moth, followed by the best composite I could create.

Swammerdamia caesiella

Single-shot:
Swammerdamia caesiella

Composite (3 images):
Swammerdamia caesiella

Notodonta dromedarius

Single-shot:
Notodonta dromedarius

Composite (7 images - black background not planned):
Notodonta dromedarius

Cydia strobilella

Single-shot:
Cydia strobilella

Composite (7 images):
Cydia strobilella

Julkaistu toukokuu 27, 2013 08:33 AP. käyttäjältä dhobern dhobern | 0 kommenttia | Jätä kommentti

toukokuu 28, 2013

Moth trap: Hellerup, Denmark, 27/28 May 2013

Robinson trap (MV) run in garden. The following species were found in the trap in the morning:

Cosmopterigidae: 1 Blastodacna atra

Plutellidae: 5 Plutella xylostella

Tortricidae: 1 Strophedra weirana

Pyralidae: 1 Aphomia sociella

Geometridae: 1 Xanthorrhoe fluctuata, 1 Lobophora halterata, 1 Pterapherapteryx sexalata, 2 Eupithecia exiguata, 1 Eupithecia vulgata, 1 Opisthograptis luteolata

Noctuidae: 2 Agrotis exclamationis

Also a Netelia sp. wasp.

Julkaistu toukokuu 28, 2013 11:25 AP. käyttäjältä dhobern dhobern | 6 havaintoa | 0 kommenttia | Jätä kommentti

toukokuu 30, 2013

Moth trap: Hellerup, Denmark, 29/30 May 2013

Robinson trap (MV) run in garden. The following species were found in the trap in the morning:

Plutellidae: 1 Plutella xylostella

Elachistidae: 1 Cosmiotes freyerella

Pyralidae: 1 Aphomia sociella, 1 Zophodia grossulariella

Geometridae: 1 Odontopera bidentata, 1 Xanthorrhoe fluctuata, 1 Eupithecia exiguata, 1 Eupithecia tantillaria, 1 Eupithecia vulgata

Noctuidae: 2 Agrotis exclamationis

More photos here.

In addition 1 Nematopogon adansoniella was found resting on a nearby wall.

Julkaistu toukokuu 30, 2013 10:22 AP. käyttäjältä dhobern dhobern | 2 havaintoa | 0 kommenttia | Jätä kommentti

toukokuu 31, 2013

Moth trap: Hellerup, Denmark, 30/31 May 2013

Robinson trap (MV) run in garden. The following species were found in the trap in the morning:

Adelidae: 1 Nematopogon adansoniella

Plutellidae: 1 Plutella xylostella

Yponomeutidae: 2 Swammerdamia caesiella

Gracillariidae: 1 Gracillaria syringella, 1 Phyllonorycter sp.

Momphidae: 1 Mompha subbistrigella

Tortricidae: 1 Ancylis badiana, 3 Notocelia cynosbatella, 1 Strophedra weirana

Pyralidae: 1 Aphomia sociella, 2 Zophodia grossulariella, 1 Anania hortulata

Alucitidae: 1 Alucita hexadactyla

Geometridae: 1 Odontopera bidentata, 1 Opisthograptis luteolata, 1 Hypomecis punctinalis, 1 Xanthorhoe spadicearia, 1 Xanthorrhoe fluctuata, 3 Eupithecia exiguata, 2 Eupithecia vulgata

Notodontidae: 1 Pterostoma palpina

Noctuidae: 3 Agrotis exclamationis, 1 Agrotis segetum, 1 Charanyca trigrammica, 1 Craniophora ligustri

More photos here.

In addition 1 Elasmostethus interstinctus

Julkaistu toukokuu 31, 2013 10:37 IP. käyttäjältä dhobern dhobern | 11 havaintoa | 0 kommenttia | Jätä kommentti