Arachnids

Other Arachnids: 26 species, 54 photos
Agelenidae
Agelenidae Funnel Weaver
(Agelenidae Funnel Weaver) dorsal dorsal

Oct 18, 2015
Naperville

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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

inaturalist
(Frutetorum Sheet-Weaver) ventral ventral

Mar 27, 2023
Dan Jerusalem Hotel

inaturalist
(Frutetorum Sheet-Weaver) ventral ventral

Mar 29, 2023
Dan Jerusalem Hotel

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(Frutetorum Sheet-Weaver) lateral lateral

Apr 1, 2023
Dan Jerusalem Hotel

inaturalist
(Frutetorum Sheet-Weaver) mating mating

Apr 1, 2023
Dan Jerusalem Hotel

inaturalist
(Frutetorum Sheet-Weaver) ventral ventral

Apr 1, 2023
Dan Jerusalem Hotel

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

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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

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Aceria fraxini
Ash Bead Gall Mite
(Ash Bead Gall Mite) underside galls on Green Ash underside galls on Green Ash

Jul 23, 2022
Naperville

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(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

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(Ash Bead Gall Mite) upperside galls on Green Ash upperside galls on Green Ash

Aug 18, 2022
Arrowhead Park

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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

Apr 24, 2006
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

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(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
(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
Phalangium opilio
European Harvestman
(European Harvestman) basking basking

Jun 5, 2015
McDowell Grove Forest Preserve

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: 30 species, 75 photos
Leucauge venusta
Orchard Orbweaver
(Orchard Orbweaver) female female

Jun 16, 2015
Egermann Woods Forest Preserve

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

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(Cross Orbweaver) hand hand

Sep 16, 2017
COD Seed Collection

inaturalist
(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 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
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 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

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Gasteracantha cancriformis
Spinybacked Orbweaver
(Spinybacked Orbweaver) female female

May 29, 2014
Molokai, Hawaii

inaturalist 維基百科
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
(Asian Spinybacked Orbweaver) ventral ventral

Jun 2, 2014
Kauai, Hawaii

inaturalist
Micrathena gracilis
Spined Micrathena
(Spined Micrathena) female female

Aug 1, 2014
Sugarland Run, VA

inaturalist
(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

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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
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
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 29, 2012
Russell R. Kirt Prairie

inaturalist
(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
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

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Mecaphesa asperata
Northern Crab Spider
(Northern Crab Spider) (eats Bee Fly) (eats Bee Fly)

Jul 3, 2014
McDowell Grove Forest Preserve

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Misumena vatia
Goldenrod Crab Spider
(Goldenrod Crab Spider) (eats European Honey Bee) (eats European Honey Bee)

Jun 5, 2017
San Francisco Botanical Garden

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Xysticus
Xysticus Ground Crab Spider
(Xysticus Ground Crab Spider) (eats Sunflower Headclipping Weevil) (eats Sunflower Headclipping Weevil)

Jun 23, 2009
Russell R. Kirt Prairie

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Other Fauna Photos mostly from Chicagoland, Illinois.  iNaturalist
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CC BY 4.0 photographer: Peter Chen 2.0