PacSci Blog

Fresh Sheet – June 29, 2019

Jun 29, 2019

Caligo memnon (Owl Butterfly)

Caligo memnon (Owl Butterfly)

This week’s shipment from Suriname features a huge new crop of Caligo memnon, the giant Owl Butterfly. 

This species is most active late in the day, so there could be 55 new individuals of the species and guests might not perceive such a large population except near closing time. As dusk nears, Owl Butterflies start flying around and landing on things – and people.

Owl Butterflies are large, heavy butterflies and having one land on you can be startling. Of course, like all butterflies they are completely harmless.

During the daytime, finding Owl Butterflies is a fun challenge. They are too heavy to rest on the underside of leaves like many other butterflies, so look for them resting on the trunks of trees or large shrubs.

Visit our Tropical Butterfly House to see this magnificent species and so many others.

Neotropical Insects NV

5 – Battus polydamas (Gold Rim Swallowtail)
5 – Heraclides thoas (Thoas Swallowtail)
12 – Heraclides anchisiades (Ruby-spotted Swallowtail)
10 – Heliconius melpomene (Postman)
20 – Dryas iulia (Julia Longwing)
30 – Agraulis vanillae (Gulf Fritillary)
40 – Catonephele orites (Orange-banded Shoemaker)
55 – Anartia amathea (Scarlet Peacock)
10 – Archeoprepona demophoon (Hubner’s Prepona)
55 – Caligo memnon (Owl Butterfly)
5 – Eryphanis polyxena (Purple Mort Bleu Owl)
35 – Mechanitis polymnia (Polymnia Tigerwing)
10 – Tithorea harmonia (Harmonia Tigerwing)
8 – Morpho achilles (Blue-banded Morpho)

Total = 300


Adopt a Butterfly

Love the Tropical Butterfly House? Spread that love by adopting one of our beautiful winged creatures! Starting at just $50, your adoption will help care for the butterflies in the Tropical Butterfly House, and support of the hands-on science programming offered at Pacific Science Center. And, you’ll receive some exclusive benefits for your generosity.

“Fresh Sheet” is our weekly shipment report of pupae on display in the emerging window. Visit Pacific Science Center’s Tropical Butterfly House and meet our newest residents.These butterflies typically arrive as pupae on the Thursday or Friday before the Fresh Sheet is published. Some of these butterflies will start emerging the day they arrive or the next day, but other species may take a full week before they reach adulthood. After emerging, they may live for a week or even a few months! While we love sharing a variety of species with our guests, we cannot guarantee that any specific species will be flying on the day that you visit Pacific Science Center.If you are interested in photographing a specific butterfly and would like to be updated about when it is flying in the Tropical Butterfly House, please email with details and your contact information.