One of the groups we study:
Mites (Acari)
A low-temperature scanning electron micrograph of a larva of the chigger Quadraseta brasiliensis that bites humans and other animals.
One of the groups we study:
Beetles (Coleoptera)
A waterfern beetle (Pseudolampsis guttata) and its host, mosquito fern.
One of the groups we study:
Moths (Lepidoptera)
An aquatic moth caterpillar (Elophila obliteralis) that uses a bubble of air to breathe and feeds on floating vegetation.
One of the groups we study:
Wasps (Hymenoptera)
A microparasitic wasp (Leptopilina japonica) that attacks the invasive spotted wing Drosophila.
![An illustration of a plant bug (Tenthocoris tillandsiae) [family Miridae].](/ARSUserFiles/80420580/images/PhotoCarousel/tillandsiae_Tenthecoris_adult_Hemiptera_Project_Henry.jpg)
One of the groups we study:
True Bugs (Hemiptera: Heteroptera)
A plant bug (Tenthocoris tillandsiae) [family Miridae] that feeds on Spanish moss. Other species of this genus are pests of orchids and other bromeliads.
One of the groups we study:
Flies (Diptera)
Two species of fruit fly (Anastrepha serpentina and Anastrepha striata) [family Tephritidae] that feed on multiple commercial and wild fruits.
Publications More...
General Information
Identification Requests
How to Use a Key for Insect Identification
SEL's Slide-mounting Tutorial Videos
SEL and collections: a presentation at 2010 Entomological Society of America Meeting
Acari
Flat Mites of the World
Diptera
A Catalog of the Cecidomyiidae (Diptera) of the World, 5th Ed. (2021) (pdf)
Systema Dipterorum: The BioSystematic Database of World Diptera
Hemiptera
Asa Fitch's Aphid Notes
Leafhopper Checklist
Treehopper Immatures Project
Hymenoptera
Hymenoptera Holotypes of the USNM
Online Key to Nearctic Chalcidoidea
Learn about the HYM Course
USNM Hymenoptera Gigapan Project
The Chalcid Forum Archives
Lepidoptera
Gelechioidea - Dr. Mark A. Metz
Specimens curated in the U.S. Entomological Collection
Autostichidae
Batrachedridae
Blastobasidae
Coleophoridae
Cosmopterigidae
Depressariidae
Elachistidae
Gelechiidae
Lecithoceridae
Lypusidae
Momphidae
Pterolonchidae
Oecophoridae
Scythrididae
Stathmopodidae
Noctuoidea - Dr. Paul Z. Goldstein
Specimens curated in the U.S. Entomological Collection
Noctuidae
Lymantriinae
Pyraloidea and related families - Dr. M. Alma Solis
Key to Selected Pyraloidea Larvae Intercepted at U. S. Ports of Entry
Specimens curated in the U.S. Entomological Collection
Crambidae
Pyralidae
Hyblaeidae
Pterophoridae
Thyrididae
Tortricoidea - Dr. John W. Brown (emeritus)
Online World Catalog of the Tortricidae
Specimens curated in the U.S. Entomological Collection
Types of Tortricidae
Tortricidae
