Home
Vertebrates
All
Amphibians
Birds
Fish
Mammals
Reptiles
Reptiles and Amphibians
Sharks and Rays
Insects
All
Ants
Beetles
Bees
Butterflies
Cicadas
Damselflies
Dragonflies
Dragonflies and Damselflies
Fleas
Flies (Diptera)
Grasshoppers and Crickets
Hornets and Wasps
Katydids
Mosquitoes
Moths
Planthoppers
Robber Flies
Sawflies, Horntails, Wood Wasps
Scale Insects
Stoneflies
Tiger Beetles
Treehoppers
True Bugs (Hemiptera)
Other Invertebrates
Amphipods
Bivalves - Freshwater
Bivalves - Saltwater
Crabs, Lobsters, and Shrimp
Crayfish
Earthworms
Gastropods
Harvestmen
Isopods
Jellyfish
Nematodes
Proturans
Sea Urchins
Spiders
Springtails
Ticks
Plants
Browse by family
Aster Family
Bryophytes
Carnivorous Plants
Clubmosses, Quillworts, Spikemosses
Ferns
Grasses
Iris Family
Milkweed Family
Mosses
Orchids
Pea Family
Rose Family
Sedges and Rushes
Fungi/Other
Algae - Freshwater
Algae - Marine Macroalgae
Algae - Marine Microalgae
Fungi - All
Fungi - Browse by family
Fungi - Ascomycota
Fungi - Basidiomycota
Lichens
Slime Molds
Explore
Bibliography
Maryland Quad Map
Maryland Quad Heat Map
Top 100 Contributors by Species
Top 100 Contributors by Species (2023)
Top 100 Contributors by Records
New Stuff Report (this month)
iNaturalist Integration Summary
MBP Brochure
Partnerships
Editors
Photographers
Other Contributors
Get Involved
FAQs
About Records
Dedication
Links
MBP on Facebook
MBP on Twitter
MBP on Instagram
MBP project at iNaturalist
Share photos on Flickr
MBP at Amazon Smile
MBP Google Group
Maryland Plant Atlas
MD/DCRC Resources
Stewart and Robbins (1958)
eBird
Sites
Andelot Farm
Chino Farms
Dans Rock Bird Count
Fort Smallwood Park
Horn Point Laboratory
Howard County Conservancy
Jemicy School
Rocky Gap State Park
Turkey Point Bird Count
Weinberg Park
Maryland Checklist - Nils Helstrom via iNaturalist - all-time (Total: 38)
Filter by category...
Show All
Amphibians
\n
Animals
\n
Ants
\n
Bees
\n
Beetles
\n
Birds
\n
Butterflies
\n
Damselflies
\n
Dragonflies
\n
Ferns
\n
Fish
\n
Flies
\n
Fungi
\n
Grasses
\n
Grasshoppers
\n
Insects
\n
Lichens
\n
Mammals
\n
Moths
\n
Plants
\n
Reptiles
\n
Spiders
\n
True Bugs
\n
Filter by tag...
Show All
Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Atlantic Menhaden
Brevoortia
tyrannus
130
Fish
Clupeidae
Clupeiformes
Actinopterygii
Animalia
1
Arrowshaped Micrathena
Micrathena
sagittata
95
Spiders
Araneidae
Araneae
Arachnida
Animalia
1
Least Tern
Sternula
antillarum
312
Birds
Laridae
Charadriiformes
Aves
Animalia
1
Gray Hairstreak
Strymon
melinus
774
Butterflies
Lycaenidae
Lepidoptera
Insecta
Animalia
2
Monarch
Danaus
plexippus
2833
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
3
Summer Azure
Celastrina
neglecta
741
Butterflies
Lycaenidae
Lepidoptera
Insecta
Animalia
4
Orange Sulphur
Colias
eurytheme
1228
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
5
Little Wood Satyr
Megisto
cymela
458
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
6
Silver-spotted Skipper
Epargyreus
clarus
2051
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
7
Zebra Swallowtail
Eurytides
marcellus
921
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
8
Broad-winged Skipper
Poanes
viator
292
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
9
Aaron's Skipper
Poanes
aaroni
37
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
10
Cabbage White
Pieris
rapae
2424
Butterflies
Pieridae
Lepidoptera
Insecta
Animalia
11
Eastern Tiger Swallowtail
Pterourus
glaucus
2629
Butterflies
Papilionidae
Lepidoptera
Insecta
Animalia
12
Pearl Crescent
Phyciodes
tharos
1660
Butterflies
Nymphalidae
Lepidoptera
Insecta
Animalia
13
Coral Hairstreak
Satyrium
titus
92
Butterflies
Lycaenidae
Lepidoptera
Insecta
Animalia
14
Delaware Skipper
Anatrytone
logan
97
Butterflies
Hesperiidae
Lepidoptera
Insecta
Animalia
1
Seaside Dragonlet
Erythrodiplax
berenice
468
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
2
Common Pondhawk
Erythemis
simplicicollis
2336
Dragonflies
Libellulidae
Odonata
Insecta
Animalia
1
Dogbane Beetle
Chrysochus
auratus
650
Leaf Beetles
Chrysomelidae
Coleoptera
Insecta
Animalia
1
Red Milkweed Beetle
Tetraopes
tetrophthalmus
623
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
2
No Common Name
Acanthoderes
quadrigibba
4
Long-horned Beetles
Cerambycidae
Coleoptera
Insecta
Animalia
1
Narrow-winged Mantis
Tenodera
angustipennis
48
Mantids
Mantidae
Mantodea
Insecta
Animalia
1
Grapeleaf Skeletonizer Moth
Harrisina
americana
134
Moths
Zygaenidae
Lepidoptera
Insecta
Animalia
2
Luna Moth
Actias
luna
1013
Moths
Saturniidae
Lepidoptera
Insecta
Animalia
3
Large Maple Spanworm Moth
Prochoerodes
lineola
398
Moths
Geometridae
Lepidoptera
Insecta
Animalia
4
Locust Digitate Leafminer Moth
Parectopa
robiniella
178
Moths
Gracillariidae
Lepidoptera
Insecta
Animalia
5
Large Lace-bordered Moth
Scopula
limboundata
985
Moths
Geometridae
Lepidoptera
Insecta
Animalia
6
No Common Name
Acrolophus
sp.
125
Moths
Acrolophidae
Lepidoptera
Insecta
Animalia
7
Harris's Three-spot Moth
Harrisimemna
trisignata
69
Moths
Noctuidae
Lepidoptera
Insecta
Animalia
8
Deadwood Borer Moth
Scolecocampa
liburna
236
Moths
Erebidae
Lepidoptera
Insecta
Animalia
1
Large Milkweed Bug
Oncopeltus
fasciatus
736
Seed Bugs
Lygaeidae
Hemiptera
Insecta
Animalia
1
Margined Leatherwing
Chauliognathus
marginatus
688
Soldier Beetles
Cantharidae
Coleoptera
Insecta
Animalia
1
Green Stink Bug
Chinavia
hilaris
820
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
2
Brown Marmorated Stink Bug
Halyomorpha
halys
1194
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
3
Red-shouldered Stink Bug
Thyanta
custator
26
Stink Bugs
Pentatomidae
Hemiptera
Insecta
Animalia
1
No Common Name
Syrphus
knabi
13
Syrphid Flies
Syrphidae
Diptera
Insecta
Animalia
1
No Common Name
Aphrastus
taeniatus
16
Weevils
Curculionidae
Coleoptera
Insecta
Animalia
View Hidden Taxa
View Bibliography