Arachnids

Other Arachnids: 26 species, 55 photos
Aceria fraxini
Ash Bead Gall Mite
(Ash Bead Gall Mite) underside galls on Green Ash underside galls on Green Ash

Jul 23, 2022
Naperville
inaturalist
(Ash Bead Gall Mite) upperside galls on Green Ash upperside galls on Green Ash

Jul 23, 2022
Naperville
inaturalist
(Ash Bead Gall Mite) underside galls on Green Ash underside galls on Green Ash

Aug 18, 2022
Arrowhead Park
inaturalist GBIF wikipedia  Ash Bead Gall Mite
(Ash Bead Gall Mite) upperside galls on Green Ash upperside galls on Green Ash

Aug 18, 2022
Arrowhead Park
inaturalist GBIF wikipedia  Ash Bead Gall Mite
Aceria fraxinivora
Ash Key Gall Mite
(Ash Key Gall Mite) galls on Green Ash galls on Green Ash

May 7, 2005
Naperville Riverwalk
inaturalist
(Ash Key Gall Mite) galls on Green Ash galls on Green Ash

Jul 2, 2022
Naperville
inaturalist
Aceria querci
Oak Blister Gall Mite
(Oak Blister Gall Mite) open gall on Bur Oak open gall on Bur Oak

Aug 15, 2022
Arrowhead Park
inaturalist
(Oak Blister Gall Mite) upperside gall on Bur Oak upperside gall on Bur Oak

Aug 15, 2022
Arrowhead Park
inaturalist
(Oak Blister Gall Mite) open gall on Bur Oak open gall on Bur Oak

Sep 28, 2022
Russell R. Kirt Prairie
inaturalist
(Oak Blister Gall Mite) upperside galls on Bur Oak upperside galls on Bur Oak

Sep 28, 2022
Russell R. Kirt Prairie
inaturalist
Aculops rhois
Poison Ivy Leaf Mite
(Poison Ivy Leaf Mite) leaf galls on Poison Ivy leaf galls on Poison Ivy

Jun 27, 2022
Herrick Lake Forest Preserve
inaturalist
(Poison Ivy Leaf Mite) upperside galls on Poison Ivy upperside galls on Poison Ivy

Jun 27, 2022
Herrick Lake Forest Preserve
inaturalist
Eriophyes cerasicrumena
Black Cherry Leaf Gall Mite
(Black Cherry Leaf Gall Mite) upperside galls on Black Cherry upperside galls on Black Cherry

Aug 15, 2022
Arrowhead Park
inaturalist GBIF 
Eriophyes tiliae
Lime Nail Gall Mite
(Lime Nail Gall Mite) tip galls on American Linden tip galls on American Linden

Jul 5, 2022
Naperville
inaturalist
(Lime Nail Gall Mite) upperside galls on American Linden upperside galls on American Linden

Jul 5, 2022
Naperville
inaturalist
Eriophyidae
Eriophyidae Gall Mite
(Eriophyidae Gall Mite) underside galls on River Birch underside galls on River Birch

Sep 16, 2022
Arrowhead Park
inaturalist
(Eriophyidae Gall Mite) upperside galls on River Birch upperside galls on River Birch

Sep 16, 2022
Arrowhead Park
inaturalist
(Eriophyidae Gall Mite) rust on Common Lantana rust on Common Lantana

Oct 18, 2023
Santorini, Greece
inaturalist
Vasates quadripedes
Maple Bladdergall Mite
(Maple Bladdergall Mite) upperside galls on Silver Maple upperside galls on Silver Maple

Jul 6, 2022
Arrowhead Park
inaturalist bugguide
(Maple Bladdergall Mite) upperside gall on Red Maple upperside gall on Red Maple

Jul 20, 2022
McDowell Grove Forest Preserve
inaturalist
Hydrachnidia
Water Mite
(Water Mite) (Emerald Spreadwing) (Emerald Spreadwing)

Jun 16, 2015
Egermann Woods Forest Preserve
inaturalist
(Water Mite) (White-faced Meadowhawk) (White-faced Meadowhawk)

Jun 16, 2015
Egermann Woods Forest Preserve
inaturalist
(Water Mite) (Eastern Forktail) (Eastern Forktail)

Jun 18, 2015
Oakhurst Forest Preserve
inaturalist
Dermacentor variabilis
American Dog Tick
(American Dog Tick) female female

Jul 10, 2012
Belmont Prairie, Downers Grove
inaturalist
(American Dog Tick) female female

Jul 22, 2012
Arrowhead Park
inaturalist
(American Dog Tick) female female

Jul 25, 2014
Springbrook Prairie
inaturalist 維基百科  变异革蜱
(American Dog Tick) male male

Jul 25, 2014
Springbrook Prairie
inaturalist
Acari
Acari Mite
(Acari Mite) dorsal dorsal

Aug 28, 2014
Russell R. Kirt Prairie
inaturalist
Agelenidae
Agelenidae Funnel Weaver
(Agelenidae Funnel Weaver) dorsal dorsal

Oct 18, 2015
Naperville
inaturalist
Agelenopsis
Agelenopsis Grass Spider
(Agelenopsis Grass Spider) funnel funnel

Aug 24, 2013
Wild Ones Field Trip
inaturalist
(Agelenopsis Grass Spider) dorsal dorsal

Aug 28, 2022
Naperville
inaturalist
(Agelenopsis Grass Spider) web web

Aug 28, 2022
Naperville
inaturalist
Maimuna vestita
Clothed Funnel Weaver
(Clothed Funnel Weaver) funnel funnel

Oct 8, 2023
Thessaloniki, Greece
inaturalist
(Clothed Funnel Weaver) funnel funnel

Oct 11, 2023
Meteora, Greece
inaturalist
Dictynidae
Dictynidae Mesh Web Weaver
(Dictynidae Mesh Web Weaver) lateral lateral

Sep 4, 2014
Danada Forest Preserve
inaturalist
Gnaphosidae
Gnaphosidae Ground Spider
(Gnaphosidae Ground Spider) egg case egg case

Apr 29, 2008
Russell R. Kirt Prairie
inaturalist
Frontinella pyramitela
Bowl and Doily Weaver
(Bowl and Doily Weaver) ventral ventral

Jun 3, 2015
Danada Forest Preserve
inaturalist
Frontinellina frutetorum
Frutetorum Sheet-Weaver
(Frutetorum Sheet-Weaver) lateral lateral

Mar 27, 2023
Dan Jerusalem Hotel, Israel
inaturalist
(Frutetorum Sheet-Weaver) ventral ventral

Mar 27, 2023
Dan Jerusalem Hotel, Israel
inaturalist
(Frutetorum Sheet-Weaver) ventral ventral

Mar 29, 2023
Dan Jerusalem Hotel, Israel
inaturalist
(Frutetorum Sheet-Weaver) lateral lateral

Apr 1, 2023
Dan Jerusalem Hotel, Israel
inaturalist
(Frutetorum Sheet-Weaver) mating mating

Apr 1, 2023
Dan Jerusalem Hotel, Israel
inaturalist
(Frutetorum Sheet-Weaver) ventral ventral

Apr 1, 2023
Dan Jerusalem Hotel, Israel
inaturalist
Neriene radiata
Filmy Dome Spider
(Filmy Dome Spider) female female

Jul 21, 2013
Starved Rock State Park, IL
inaturalist
Linyphiidae
Linyphiidae Sheetweb Weaver
(Linyphiidae Sheetweb Weaver) web web

Oct 27, 2018
Bolsa Chica Ecological Reserve
inaturalist
Mimetus puritanus
Common Pirate Spider
(Common Pirate Spider) egg sac on Pokeweed egg sac on Pokeweed

Aug 13, 2022
McDowell Grove Forest Preserve
inaturalist
Oxyopes salticus
Striped Lynx
(Striped Lynx) dorsal dorsal

May 26, 2014
Molokai, Hawaii
inaturalist
Pholcus manueli
Cellar Spider
(Cellar Spider) dorsal dorsal

Nov 28, 2020
Naperville
inaturalist bugguide
Phalangium opilio
European Harvestman
(European Harvestman) basking basking

Jun 5, 2015
McDowell Grove Forest Preserve
inaturalist
(European Harvestman) dorsal dorsal

Jun 17, 2024
Arrowhead Park
inaturalist
(European Harvestman) lateral lateral

Jun 17, 2024
Arrowhead Park
inaturalist
Leiobunum vittatum
Eastern Harvestman
(Eastern Harvestman) dorsal dorsal

Sep 14, 2023
Herrick Lake Forest Preserve
inaturalist
(Eastern Harvestman) frontal frontal

Sep 14, 2023
Herrick Lake Forest Preserve
inaturalist
Opiliones
Daddy Longlegs
(Daddy Longlegs) dorsal dorsal

Aug 24, 2013
Wild Ones Field Trip
inaturalist
(Daddy Longlegs) dorsal dorsal

Sep 19, 2014
Hidden Lake Forest Preserve
inaturalist
Orbweavers, Jumping, Crab Spiders: 35 species, 96 photos
Leucauge venusta
Orchard Orbweaver
(Orchard Orbweaver) female female

Jun 16, 2015
Egermann Woods Forest Preserve
inaturalist
(Orchard Orbweaver) dorsal dorsal

Sep 26, 2024
Chicago Montrose Harbor
inaturalist
(Orchard Orbweaver) ventral ventral

Sep 26, 2024
Chicago Montrose Harbor
inaturalist
Tetragnatha
Tetragnatha Longjawed Orbweaver
(Tetragnatha Longjawed Orbweaver) lateral lateral

Aug 19, 2013
Danada Forest Preserve
inaturalist
(Tetragnatha Longjawed Orbweaver) lateral lateral

Aug 27, 2015
Russell R. Kirt Prairie
inaturalist
(Tetragnatha Longjawed Orbweaver) Tyler Tyler

Oct 3, 2015
COD Seed Collection
inaturalist
Araneinae
Araneinae Orbweaver
(Araneinae Orbweaver) dorsal dorsal

Oct 29, 2023
Montebello, CA
inaturalist
(Araneinae Orbweaver) lateral lateral

Oct 29, 2023
Montebello, CA
inaturalist
Araneus diadematus
Cross Orbweaver
(Cross Orbweaver) dorsal dorsal

Sep 13, 2014
COD Seed Collection
inaturalist
(Cross Orbweaver) dorsal dorsal

Sep 16, 2017
COD Seed Collection
inaturalist facebook
(Cross Orbweaver) lateral lateral

Sep 16, 2017
COD Seed Collection
inaturalist
(Cross Orbweaver) dorsal dorsal

Oct 9, 2023
Thessaloniki, Greece
inaturalist
(Cross Orbweaver) lateral lateral

Oct 9, 2023
Thessaloniki, Greece
inaturalist
(Cross Orbweaver) rear rear

Oct 9, 2023
Thessaloniki, Greece
inaturalist
Mangora placida
Tuftlegged Orbweaver
(Tuftlegged Orbweaver) dorsal dorsal

Jun 3, 2015
Danada Forest Preserve
inaturalist
Neoscona
Neoscona Spotted Orbweaver
(Neoscona Spotted Orbweaver) lateral lateral

Mar 16, 2024
Yangmingshan National Park, Taiwan
inaturalist
(Neoscona Spotted Orbweaver) profile profile

Mar 16, 2024
Yangmingshan National Park, Taiwan
inaturalist
(Neoscona Spotted Orbweaver) underside underside

Mar 16, 2024
Yangmingshan National Park, Taiwan
inaturalist
(Neoscona Spotted Orbweaver) upperside upperside

Mar 16, 2024
Yangmingshan National Park, Taiwan
inaturalist
(Neoscona Spotted Orbweaver) ventral ventral

Mar 16, 2024
Yangmingshan National Park, Taiwan
inaturalist
Neoscona adianta
Bordered Orbweaver
(Bordered Orbweaver) ventral ventral

Mar 22, 2023
Arbel National Park, Israel
inaturalist
Neoscona arabesca
Arabesque Orbweaver
(Arabesque Orbweaver) dorsal dorsal

Sep 4, 2014
Danada Forest Preserve
inaturalist
Neoscona crucifera
Spotted Orbweaver
(Spotted Orbweaver) dorsal dorsal

Jul 9, 2022
Naperville
inaturalist
(Spotted Orbweaver) lateral lateral

Jul 9, 2022
Naperville
inaturalist
(Spotted Orbweaver) yoga yoga

Jul 9, 2022
Naperville
inaturalist
(Spotted Orbweaver) dorsal dorsal

Oct 26, 2023
Montebello, CA
inaturalist
(Spotted Orbweaver) frontal frontal

Oct 26, 2023
Montebello, CA
inaturalist
(Spotted Orbweaver) lateral lateral

Oct 26, 2023
Montebello, CA
inaturalist
(Spotted Orbweaver) ventral ventral

Oct 26, 2023
Montebello, CA
inaturalist
(Spotted Orbweaver) web web

Oct 26, 2023
Montebello, CA
inaturalist
(Spotted Orbweaver) underside underside

Aug 1, 2024
Montebello, CA
inaturalist
(Spotted Orbweaver) upperside upperside

Aug 1, 2024
Montebello, CA
inaturalist
Neoscona oaxacensis
Western Spotted Orbweaver
(Western Spotted Orbweaver) dorsal dorsal

Nov 28, 2022
Mesa, Arizona
inaturalist
(Western Spotted Orbweaver) lateral lateral

Nov 28, 2022
Mesa, Arizona
inaturalist
Argiope appensa
Hawaiian Garden Spider
(Hawaiian Garden Spider) couple couple

May 26, 2014
Molokai, Hawaii
inaturalist
(Hawaiian Garden Spider) female ventral female ventral

May 26, 2014
Molokai, Hawaii
inaturalist
(Hawaiian Garden Spider) male male

May 26, 2014
Molokai, Hawaii
inaturalist
(Hawaiian Garden Spider) female dorsal female dorsal

May 29, 2014
Molokai, Hawaii
inaturalist
Argiope argentata
Silver Garden Orbweaver
(Silver Garden Orbweaver) dorsal dorsal

Jul 28, 2024
San Diego, CA
inaturalist
(Silver Garden Orbweaver) ventral ventral

Jul 28, 2024
San Diego, CA
inaturalist
(Silver Garden Orbweaver) dorsal dorsal

Jul 29, 2024
San Diego, CA
inaturalist
(Silver Garden Orbweaver) ventral ventral

Jul 29, 2024
San Diego, CA
inaturalist
Argiope trifasciata
Banded Garden Spider
(Banded Garden Spider) female female

Sep 29, 2006
Schulenberg Prairie
inaturalist
(Banded Garden Spider) female female

Oct 8, 2011
COD Seed Collection
inaturalist
(Banded Garden Spider) female food female food

Oct 8, 2011
COD Seed Collection
inaturalist
(Banded Garden Spider) food food

Oct 8, 2011
COD Seed Collection
inaturalist
(Banded Garden Spider) female dorsal female dorsal

Mar 22, 2023
Arbel National Park, Israel
inaturalist
(Banded Garden Spider) female ventral female ventral

Mar 22, 2023
Arbel National Park, Israel
inaturalist
(Banded Garden Spider) female ventral female ventral

Sep 9, 2023
Whalon Lake, Naperville
inaturalist
Argiope versicolor
Saint Andrew's Cross Spider
(Saint Andrew's Cross Spider) female female

Jan 14, 2016
Chiang Rai, Thailand
inaturalist facebook wikipedia  Saint Andrew's Cross Spider
Gasteracantha cancriformis
Spinybacked Orbweaver
(Spinybacked Orbweaver) female female

May 29, 2014
Molokai, Hawaii
inaturalist 維基百科  乳頭棘蛛
Thelacantha brevispina
Asian Spinybacked Orbweaver
(Asian Spinybacked Orbweaver) rear rear

May 28, 2014
Molokai, Hawaii
inaturalist
(Asian Spinybacked Orbweaver) ventral ventral

May 28, 2014
Molokai, Hawaii
inaturalist
(Asian Spinybacked Orbweaver) female female

May 29, 2014
Molokai, Hawaii
inaturalist 維基百科  刺苔娜蛛
(Asian Spinybacked Orbweaver) ventral ventral

Jun 2, 2014
Kauai, Hawaii
inaturalist
Micrathena gracilis
Spined Micrathena
(Spined Micrathena) female dorsal female dorsal

Aug 6, 2014
Sugarland Run, VA
inaturalist
(Spined Micrathena) female lateral female lateral

Aug 6, 2014
Sugarland Run, VA
inaturalist wikipedia  Spined micrathena
Trichonephila clavipes
Golden Silk Spider
(Golden Silk Spider) dorsal dorsal

Oct 17, 2019
Iguazu Falls Argentina
inaturalist
Pardosa
Thin-legged Wolf Spider
(Thin-legged Wolf Spider) dorsal dorsal

Jan 19, 2023
Superstition Wilderness, AZ
inaturalist
Peucetia viridans
Green Lynx Spider
(Green Lynx Spider) dorsal dorsal

Jul 29, 2024
San Diego, CA
inaturalist
(Green Lynx Spider) lateral lateral

Jul 29, 2024
San Diego, CA
inaturalist
Thanatus
Running Crab Spider
(Running Crab Spider) dorsal dorsal

Nov 15, 2022
Mesa, Arizona
inaturalist
(Running Crab Spider) lateral lateral

Nov 15, 2022
Mesa, Arizona
inaturalist
Plectreuridae
Plectreurid Spider
(Plectreurid Spider) dark dorsal dark dorsal

Dec 16, 2022
E Williams Field Rd, Mesa AZ
inaturalist
(Plectreurid Spider) dark frontal dark frontal

Dec 16, 2022
E Williams Field Rd, Mesa AZ
inaturalist
(Plectreurid Spider) dark lateral dark lateral

Dec 16, 2022
E Williams Field Rd, Mesa AZ
inaturalist
Plectreurys
Plectreurys Spider
(Plectreurys Spider) dorsal dorsal

Dec 16, 2022
E Williams Field Rd, Mesa AZ
inaturalist
(Plectreurys Spider) frontal frontal

Dec 16, 2022
E Williams Field Rd, Mesa AZ
inaturalist
(Plectreurys Spider) lateral lateral

Dec 16, 2022
E Williams Field Rd, Mesa AZ
inaturalist
Cosmophasis lami
Lami Beach Jumping Spider
(Lami Beach Jumping Spider) acrobat acrobat

Mar 23, 2024
Taichung, Taiwan
inaturalist
(Lami Beach Jumping Spider) dorsal dorsal

Mar 23, 2024
Taichung, Taiwan
inaturalist
(Lami Beach Jumping Spider) head head

Mar 23, 2024
Taichung, Taiwan
inaturalist
Langona
Langona Jumping Spider
(Langona Jumping Spider) eyes eyes

Mar 22, 2023
Arbel National Park, Israel
inaturalist
(Langona Jumping Spider) lateral lateral

Mar 22, 2023
Arbel National Park, Israel
inaturalist
Menemerus semilimbatus
Half-edged Wall Jumping Spider
(Half-edged Wall Jumping Spider) dorsal dorsal

Oct 9, 2023
Thessaloniki, Greece
inaturalist
Phidippus audax
Bold Jumping Spider
(Bold Jumping Spider) dorsal dorsal

Sep 14, 2022
Naperville
inaturalist
(Bold Jumping Spider) frontal frontal

Sep 14, 2022
Naperville
inaturalist
(Bold Jumping Spider) lateral lateral

Sep 14, 2022
Naperville
inaturalist
(Bold Jumping Spider) dorsal dorsal

Aug 22, 2023
Herrick Lake Forest Preserve
inaturalist
(Bold Jumping Spider) frontal frontal

Aug 22, 2023
Herrick Lake Forest Preserve
inaturalist
(Bold Jumping Spider) dorsal dorsal

Sep 2, 2024
Morton Arboretum
inaturalist
Phidippus clarus
Brilliant Jumping Spider
(Brilliant Jumping Spider) dorsal dorsal

Jul 10, 2012
Belmont Prairie, Downers Grove
inaturalist
Plexippus paykulli
Pantropical Jumping Spider
(Pantropical Jumping Spider) dorsal dorsal

Oct 14, 2023
Athens, Greece
inaturalist
(Pantropical Jumping Spider) head head

Oct 14, 2023
Athens, Greece
inaturalist
(Pantropical Jumping Spider) lateral lateral

Oct 14, 2023
Athens, Greece
inaturalist
(Pantropical Jumping Spider) profile profile

Oct 14, 2023
Athens, Greece
inaturalist
Saitis
Banner-legged Jumping Spider
(Banner-legged Jumping Spider) dorsal dorsal

Oct 8, 2023
Thessaloniki, Greece
inaturalist
Salticidae
Salticidae Jumping Spider
(Salticidae Jumping Spider) basking basking

Jun 5, 2015
McDowell Grove Forest Preserve
inaturalist
(Salticidae Jumping Spider) dorsal dorsal

Mar 23, 2024
Taichung, Taiwan
inaturalist
Steatoda nobilis
Noble False Widow
(Noble False Widow) Brown dorsal Brown dorsal

Jul 29, 2024
San Diego, CA
inaturalist
(Noble False Widow) Brown profile Brown profile

Jul 29, 2024
San Diego, CA
inaturalist
(Noble False Widow) white dorsal white dorsal

Jul 29, 2024
San Diego, CA
inaturalist
(Noble False Widow) white profile white profile

Jul 29, 2024
San Diego, CA
inaturalist
Mecaphesa asperata
Northern Crab Spider
(Northern Crab Spider) (eats Bee Fly) (eats Bee Fly)

Jul 3, 2014
McDowell Grove Forest Preserve
inaturalist bugguide facebook
Misumena vatia
Goldenrod Crab Spider
(Goldenrod Crab Spider) (eats European Honey Bee) (eats European Honey Bee)

Jun 5, 2017
San Francisco Botanical Garden
inaturalist facebook
Xysticus
Xysticus Ground Crab Spider
(Xysticus Ground Crab Spider) (eats Sunflower Headclipping Weevil) (eats Sunflower Headclipping Weevil)

Jun 23, 2009
Russell R. Kirt Prairie
inaturalist facebook

Other Fauna Photos mostly from Chicagoland, Illinois.  iNaturalist
(see more see more) (see less see less)
 CC BY 4.0 photographer: Peter Chen 2.0