Forum

Discussions

Let's discuss.

Butterflies

Discussion about Butterflies (Lepidoptera)
Threads
11k
Posts
69k
Last Posts
Welche Eule?
Leo09 March 15, 2026 at 2:28 PM
Frage an die Kufu-Spezialisten
HYLES March 15, 2026 at 12:10 PM
Sub-forums
Identification of Butterflies
Breeding Butterflies: Experiences, Questions and Answers
Breeding butterflies: breeders experiences

Bugs (Coleoptera)

Hints and Tricks for breeding bugs.
Threads
1k
Posts
4.9k
Last Posts
Larve von welchem Käfer?
hkvoss March 14, 2026 at 9:53 PM
Bestimmungshilfe für Käfer aus Kirgisen benötigt
Elias March 12, 2026 at 11:55 AM
Sub-forums
Identify a bug
Breeding bugs: experience, questions and answers

Locusts (Mantodea)

Discussion about locusts.
Threads
284
Posts
1.5k
Last Posts
Stabschrecken?
Prachtlibelle February 22, 2026 at 8:51 PM
Stabschrecke?
Saturniapyri January 10, 2026 at 5:28 PM
Sub-forums
Identify grasshoppers
Breeding locusts: experience, questions and answers

Insects generally

Discussion about all kinds of insects without an own family board.
Threads
1.1k
Posts
4.5k
Last Posts
Ist das eine Goldwespe (Chrysalida) ?
Jürgen 0211 March 1, 2026 at 11:00 AM
Welche Blattschneiderbiene/megachile?
Natalie February 21, 2026 at 1:22 PM
Sub-forums
Ants (Formicidae)
Bees (Apiformes), Humblebees (Bombinae), Wasps (Vespinae)
Dragonflies (Odonata)
Identify other insects

Spiders (Araneae)

Discussion about spiders (Araneae)
Threads
206
Posts
877
Last Posts
Farbenfrohe Spinne bestimmen
Diabrotica June 7, 2025 at 9:20 PM
Was für eine Spinne ist das?
supersonic May 21, 2025 at 8:02 PM
Sub-forums
Identify spiders
Breeding spiders: experience, questions and answers

Chat-Room

Chat-Room

ACTIAS chat room for a casual, not always very serious and relevant communication.
Threads
650
Posts
6.1k
Last Posts
Lasiocampa quercus
Josef 6764 March 10, 2026 at 8:55 PM
Börse in prag
Schuster March 7, 2026 at 6:42 PM

Interesting Facts

Literature, Publications

Discussion about Literature and Publications
Threads
263
Posts
957
Last Posts
Video-Tutorials zur Eier-/ Raupensuche
Toni Kasiske February 23, 2026 at 6:19 PM
Gonimbrasia (Nudaurelia) eblis eboboutensis ssp. nov., a new Saturniid from Cameroon (Lepidoptera: Saturniidae: Saturniinae)
Papilion 65 December 14, 2025 at 7:47 PM
Sub-forums
Entomo Satsphinga - an Entomological Publication (2)
Contributions to Entomology and related fields
Entomo Satsphinga - an Entomological Publication

Entomological Supply

Discussion about entomological supply
Threads
456
Posts
3k
Last Posts
Looking for spreaders with 20mm grooves
Pa.blo_Aguilar December 4, 2025 at 5:51 PM
Insektenkäasten - Alternativen zu Schunke
Schuster November 9, 2025 at 10:19 PM

Collection, preservation

Discussion about collecting, conservating and storing of insects.
Threads
281
Posts
2.6k
Last Posts
Käfer weichmachen für Präparation
Pulsar-- March 10, 2026 at 11:17 PM
Abgebrochene Flügel kleben
tabalanjo January 5, 2026 at 3:34 PM

Plants (Botany)

Discussion about plants
Threads
275
Posts
1.6k
Last Posts
Euphorbia macaluta
Saga pedo July 3, 2025 at 11:01 PM
Skimmie im warmen Gewächshaus?
Merlin January 25, 2025 at 5:04 PM

Events

All entomological events shall be published in our ACTIAS Calendar. Here is the place to discuss about these events. Visitors are invited to write about their experiences and happenings with text and pictures.
Threads
294
Posts
1.7k
Last Posts
Insektenbörse Wien
sasha March 7, 2026 at 5:10 PM
Ingolstadt 18.01.2026
Uwe Geulen January 11, 2026 at 7:55 PM
Sub-forums
Lift
Overnight stay

Travel

Discussion about Travel, Collectors Tours, Holidays, Excursions
Threads
315
Posts
1.6k
Last Posts
Reise Ideen Europa
Mark-Joachim Strehl July 30, 2025 at 10:29 PM
Erfahrungswerte Griechenland
Dirk Lindner January 13, 2025 at 12:38 PM

Environment, Protection of nature and species

Virtual meeting point to discuss the protection of nature and species
Threads
162
Posts
1.4k
Last Posts
Rote Liste: Daten zu Schmetterlingen Niedersachsen?
molothina November 14, 2025 at 10:18 AM
Natur allgemein
Carola August 15, 2024 at 6:35 PM

Photography

Virtual meeting point to discuss general questions and hints and tricks of photographing insects, spiders and plants.
Threads
82
Posts
674
Last Posts
Fotografieren von Schmetterlingen in der Wohnung
tante aurelia August 31, 2025 at 12:40 AM
Nikon Kamera
Achim March 5, 2023 at 9:43 PM

School

Virtual meeting point for all themes concerning school, teachers and insects
Threads
57
Posts
275
Last Posts
Schulprojekt, Suche Tote Insekten
Elias October 3, 2025 at 8:11 PM
Schmetterlingszucht in einer bayerischen Grundschule
Leo March 29, 2023 at 4:04 PM

Artenportraits

Bombycidae

Threads
1
Posts
1
Last Posts
Mustilia sphingiformis
juli98 March 13, 2019 at 11:40 PM

Brahmaeidae

Threads
10
Posts
11
Last Posts
Brahmaea hearseyi
ali steve October 28, 2025 at 2:36 AM
Lemonia dumi
the big December 26, 2023 at 2:43 PM

Endromidae

Threads
1
Posts
1
Last Posts
Endromis versicolora
juli98 March 14, 2019 at 11:48 PM

Erebidae

Threads
25
Posts
36
Last Posts
Arctia festiva
the big December 29, 2023 at 6:04 PM
Arctia caja
the big December 11, 2023 at 1:08 PM
Sub-forums
Arctiinae
Erebinae
Lymantriinae

Eupterotidae

Threads
0
Posts
0

Lasiocampidae

Threads
2
Posts
2
Last Posts
Trabala vishnou
juli98 March 7, 2019 at 12:01 AM
Trabala pallida
juli98 March 6, 2019 at 8:06 PM

Lycaenidae

Threads
36
Posts
36
Last Posts
Pseudophilotes vicrama
bellargus March 25, 2019 at 12:29 PM
Polyommatus icarus
bellargus March 23, 2019 at 7:39 PM
Sub-forums
Lycaeninae
Polyommatinae
Theclinae

Noctuidae

Threads
4
Posts
4
Last Posts
Acronicta megacephala
juli98 March 7, 2019 at 12:42 AM
Callopistria juventina
juli98 February 25, 2019 at 8:44 AM

Notodontidae

Threads
1
Posts
1
Last Posts
Notodonta ziczac
juli98 February 24, 2019 at 12:29 AM

Nymphalidae

Threads
46
Posts
63
Last Posts
Aglais io
the big December 29, 2023 at 1:50 PM
Vanessa atalanta
the big December 8, 2023 at 6:27 PM
Sub-forums
Apaturinae
Heliconiinae
Libytheinae
Limenitidinae
Nymphalinae
Satyrinae

Papilionidae

Threads
1
Posts
1
Last Posts
Ornithoptera priamus
Consti_3898 March 29, 2020 at 5:32 PM

Saturniidae

Threads
11
Posts
13
Last Posts
Rothschildia arethusa food plant?
kevink February 27, 2024 at 6:36 PM
Neoris huttoni
juli98 April 17, 2019 at 10:43 AM

Sphingidae

Threads
28
Posts
40
Last Posts
Macroglossum stellatarum
Rudi July 20, 2022 at 4:01 PM
Sphinx pinastri
Rudi January 29, 2020 at 5:28 PM
Sub-forums
Langinae
Macroglossiniae
Smerinthinae
Sphinginae

Pieridae

Threads
0
Posts
0

Ausgestorbene Arten Deutschlands

Threads
1
Posts
52
Last Posts
Ausgestorben
bellargus January 26, 2023 at 7:10 PM

Publications

Lepidoptera Breeding Reports

Threads
118
Posts
282
Last Posts
Actias dubernardi auf pinus nigra, pinea
Uwe Geulen January 31, 2026 at 9:06 AM
What butterflies/moths eat ivy
Dirk Lindner April 15, 2025 at 7:38 PM

Breeding Reports: Locusts

Threads
38
Posts
92
Last Posts
Zuchtbericht Ichneumon extensorius Linn. ex Cucullia verbasci Linn.
Didymator July 2, 2024 at 1:55 PM
Zuchtbericht Ichneumon xanthorius Förster ex Noctua comes Hübner
Foster1054 March 15, 2024 at 9:26 AM

Entomological reports

Threads
38
Posts
240
Last Posts
UV als effektive Nachweismethode
Toni Kasiske October 9, 2025 at 9:26 PM
Tolles Erlebnis
Josef 6764 August 14, 2025 at 6:35 AM

Entomological travel reports

Threads
47
Posts
155
Last Posts
Äthiopienreise 4 Tour 2. Teil
Sphingidae77 November 10, 2025 at 2:13 PM
Reisebericht - 4. Äthiopienreise 1. Teil
Sphingidae77 August 2, 2025 at 8:57 PM

Lepidoptera species description

Threads
19
Posts
19
Last Posts
Colias tibetana, C. thrasibulus, C. dubia und C. leechii, vier kleine Colias-Spezies aus den Höhenlagen des Himalaja 4000 -5000m)
Jürgen 0211 December 15, 2021 at 5:16 PM
Colias stoliczkana MOORE, 1778 - eine Artenbeschreibung
Jürgen 0211 December 10, 2021 at 3:35 PM

Lepidoptera foodplants

Lepidoptera foodplants
Threads
5
Posts
14
Last Posts
Lepidoptera food plants guide website
Dalski October 7, 2018 at 1:13 AM
Aristolochiaceae des Mittelmeerraumes - Bebilderte Liste der Aristochien des Mittelmeerraumes, Fpfl. für die Raupen der Gattungen Archon und Zerynthia (mit Allancastria)
Jürgen 0211 November 30, 2017 at 7:25 PM