Common Name Family/ genus Lava type Emergence Date Prefferd larva habitat Larva size Adult size Emergence in Larva patterns Pupa Pattern Adult Pattern Streams Identifed In
         
Spotted Sedge Hydropsychidae (Hydropsyche) Free living early-summer Running water environments with oxygenated currents 10mm 14mm-

12-16

 Runs and riffles olive brown larva (size 12-14-16) Brown and yellow deep sparkle pupa  Tan Elk Hair Caddis. Yellowish Tan Frustration Pool Emerger West Branch - East Branch - Amawalk - Cross River May 13
Little Sister Sedge Hydropsychidae (Cheumtopsyche) Free living early-summer Running water environments with oxygenated currents 8mm 10mm- 14/16 Runs and riffles olive brown larva (size 12-14-16) Brown and brite green deep emergent sparkle pupa  Olive Green Elk Hair Caddis, Green Olive Henryville Special, Simple Green CDC Caddis West Branch - East Branch - Amawalk - Cross River May 10
Green Sedge Rhyacophiloidea (rhyacophila) Free-living April - June Very Fast Running water environments with oxygenated currents up to 18mm 16mm-

12-16

 current-swept surfaces cool rapidly running water Brite Green Caddis Larva size 8 - 16 Brown and brite green deep emergent sparkle pupa  Olive green CDC Caddis, Delta Wing Caddis, Deer Hair Caddis West Branch - East Branch - Amawalk Wood Street May 30 - Cross River
Glossy Wing sedge Macronema Free living June - July Swifter riffles size 4-6-8 18mm- 10/12 Swifter riffles Olive Brown 4-6-8 Brown and Blue Emergent Sparkle Pupa Brown and Blue Dancing Caddis  
           
American Grannom Brachycentridae (numerous) Tube-Case Makers April - May Running water environments with oxygenated currents size 12-14 13mm- 12/14 Running water environments with oxygenated currents Brown and brite green deep sparkle pupa Grannom wet fly - Emergent Sparkle Pupa Delta-Wing Caddis, Apple Green CDC Caddis  
Little Tan Short-Horn Sedge Glossosoma Turtle-like cases Mid May - August Cool running waters size 16-18 size 14-16 Cool running waters Pink Caddis Larva size 14-16-18 Tan and Pale Green Emergent Sparkle Pupa Tan Pale Green Caddis, CDC & ELK Peekskill Hollow Brook / East Branch Cemetery pool April 12 (Casings) West Branch Spillway August 9
Speckled Peter  Helicopsychidae Tube-case Makers May - June Evening Moderate currents size 14-16-18 Moderate currents Dark Cased Caddis Larva Brown and Yellow Emergent Sparkle Pupa Brown and Yellow Dancing Caddis - Lawsons Spent Partridge  
Little Plain Brown Sedge Lepidostoma - (vernalis) Tube case maker June Gentler edges 10mm- 14/16 Moderate currents Dark Cased Caddis Larva Brown Deep Sparkle Pupa Emergent Brown Sparkle Pupa / Emerger, Brown & gray Soft Hackle  
Scaly Wing Sedge Leptoceridae (Ceraclea) Tube case maker June - July Under rocks & Thick Vegetation sometimes burrowing 4mm 8-9mm - 16/18 Still or run water environments Brown Deep Sparkle Pupa Brown Emerger Sparkle Pupa  Brown Emergent Sparkle Pupa Small Brown CDC Caddis, Brown Henryville Special, Brownish Gray Soft Hackle  
White Miller Nectopsyche Tube case maker Full Darkness During mid-summer - June Slow weedy streams size 2 - 4 Light or dark medium cased caddis 14-17mm- 8-12 Slow weedy streams White Deep Sparkle Pupa White Emergent Sparkle Pupa, Large White Cahill Style Wet Fly- w/ Flash Parkney Deer Hair Caddis - White dancing Caddis. Large White CDC Caddis  
Black Dancer Mystacides Tube case maker Morning hours Warmer Months of summer Slow moving streams Size 4-10 Light Cased Caddis Larva 8-9mm- 16/18 Morning hours Warmer Months of summer Black Deep Sparkle Pupa - Light Cased Caddis Black Emergent Sparkle Pupa Small Black CDC Caddis, Black Soft Hackle West Branch Croton Falls Spillway
Great Brown Autum Sedge Pycnopsyche Tube case maker Late summer evenings- into nightime Back waters 22mm 22mm-

6-10

 Back waters Strawman Nymph Ginger Deep Sparkle Pupa / Ginger Emergent Sparkle Pupa Light Bucktail Caddis \ Ginger Diving Caddis West Branch - East Branch - Amawalk - Cross River
Giant Cream Pattern-Wing Sedge Hydatophylax Tube case maker Mid-summer to Fall Back waters 28mm 34mm Back waters Ginger Deep Sparkle Pupa / Ginger Emergent Sparkle Pupa Light Bucktail Caddis \ Ginger Diving Caddis  
Dot Wing Winter Sedge Frenesia Tube case maker Late-autum - Early-winter Crawl freely over the bottom 18 The dark Pupa crawl or swim to the shallows Medium Cased Caddis BrownrDeep Sparkle Pupa / Brown Emergent Sparkle Pupa Brown Dancing Caddis East Branch Cemetery Pool
Chocolate and Cream Sedge Platycentropus (radiatus) Tube case maker in a crisscross fashion Late summer Crawl freely over the bottom in back waters 23mm back waters Strawman Nymph / Brown and Yellow deep Sparkle Pupa Brown and Yellow Emergent Sparkle Pupa Dark Bucktail Caddis / Brown and yellow Dancing Nymph  
Snow Sedge Psychoglypha Tube case maker Fall & Winter Back water regions 8mm 24mm back waters Dark Cased Caddis Brown Deep Sparkle Emerger Pupa Dark Bucktail Caddis / Brown Dancing Caddis  
Early Box Wing Sedge Ironoquia Tube case maker Late summer early fall 10mm 10mm- 14/16 open water Light Cased Caddis Brown Deep Sparkle Emerger Pupa Brown Dancing Caddis  
Little Gray Sedge Goera Tube case maker on large rocks in riffles 8-9mm- 16/18 Riffles Peekskill Hollow Brook
Early Smoky Wing Sedge Apatania (incerta) Tube case maker April - May Pools 8.5mm 8.5mm- 16/18 Pools Medium Cased Caddis Gray Deep Sparkle Pupa / Gray Emergent Sparkle Pupa Gray Dancing Caddis Amawalk Wood Sreet March 8 / 20 / Amawalk rt. 6 March 31 11;00/Amawalk Spillway  April 4-10:30/ East Branch Croton Falls  April 2 2:30 East Branch April 12-13 ** Cemetery Pool / West Branch Croton Falls Spillway April 18 / Cross River Inlet April 5
Autumn Mottled Sedge Neophylax Tube case maker Fall on large rocks in riffles Size 8 14mm -

10-14

 Faster riffles Light Cased Caddis Brown and Yellow Emergent Sparkle Pupa / Brown and Yellow Emergent pupa Dark Bucktail Caddis / Brown and Yellow Dancing Caddis  
Dark Blue Sedge Psilotreta Tube case maker May burrow into silt or gravel in Riffles Size 10 10-14mm- 10-12-14 Riffles in the evenings Light Cased Caddis Gray and Green Emergent Sparkle Pupa / Gray and Green Emergent pupa Gray and Green Dancing Caddis  
Little Black Sedge Philopotamidae (chimarra - aterrima) Net Spinner May Under rocks 14-18 7-8mm- 18/20 Pupa crawl or swim to banks or emerge on surface around noon Yellow Caddis Lava 14-18 Black Deep Sparkle Pupa / Black Emergent Pupa  Thompson Foam Caddis / Black Dancing caddis East Branch Cemetery Pool & East Branch Croton Falls May 13
Medium Evening Sedge Dolophilodes net spinner Feburary - August under rocks 14-16 18 Pupa crawl or swim to banks or emerge on surface around noon Yellow Caddis Lava 14-18 Brown Deep Sparkle Pupa / Brown EmergentSparkle Pupa Brown Dancing Caddis West Branch Croton Falls Inlet March 24 1:00 - East Branch Cemetery Pool April 24
Ring Horn Microcaddis Leucotrichia Free living May - July on rocks in fast currents 20-22-24 20-22-24 in fast water none Black Sparkle Pupa Black Caddis East Branch Cemetery Pool June 1

Glossosoma