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Zmags
Spineless
Status and trends of the
world’s invertebrates
Edited by Ben Collen, Monika Böhm,
Rachael Kemp and Jonathan E. M. Baillie
Spineless
Status and trends of the
world's invertebrates
Edited by Ben Collen, Monika Böhm,
Rachael Kemp and Jonathan E. M. Baillie
Disclaimer
The designation of the geographic entities
in this report, and the presentation of the
material, do not imply the expressions of any
opinion on the part of ZSL, IUCN or Wildscreen
concerning the legal status of any country,
territory, area, or its authorities, or concerning
the delimitation of its frontiers or boundaries.
Citation
Collen B, Böhm M, Kemp R & Baillie JEM (2012)
Spineless: status and trends of the world's
invertebrates. Zoological Society of London,
United Kingdom
ISBN
978-0-900881-68-8 Spineless:
Spineless Status and trends of the world’s
Spineless Status and trends of the world's
Disclaimer The designation of the geographic enti
Contents Foreword
Foreword The unravelling underwor
Preface Foundations of biodiversi
Acknowledgements General The IUCN
Executive summary This report con
Regional invertebrate assessments have a
1 Hemipteran © George J. Reclos
10 | Spineless Status and trends of the world's i
1 The small things that run the world
Chapter 1 The unravelling underworld Monika Böh
Red-veined Darter (Sympetrum fonscolombii) © Geor
Jumping spider (Habronattus hirsutus) © Lisa Tayl
Shield bugs © George J. Reclos as the mostly t
Invertebrate diversity as a regulator of ecosyste
Polymita picta roseolimbata © Adrián González-Gui
Figure 01 | Human population growth and projectio
Hooded praying mantis © Trond Larsen the ecos
Box 01 | The 2020 Aichi Biodiversity Targets
Scorpion © Trond Larsen Box 02 | Tracking the st
References 1. Smith RJ, Verissimo D, Isaac NJB.
German wasp (Vespula germanica) © George J. Reclo
24 | Spineless Status and trends of the world's i
2 Status and trends of invertebrates
Chapter 2 Freshwater invertebrate life Will Dar
Figure 02 | Global species richness and threatene
Coenagrionidae xanthocnemis © Bryce McQuillan
Figure 03 | IUCN Red List status of freshwater in
Figure 05 | Global threats to freshwater inverteb
high-quality pearls have been harvested by humans
References 1. Dudgeon D, Arthington AH, Gessner
Blue damselfly © Ben Andrew
Chapter 3 Marine invertebrate life Rachael Kemp1
Holthius's anemone shrimp (Ancylomenes holtuisi)
Figure 03 | Global distribution of reef-building
Mimic octopus (Thaumoctopus mimicus) © Barbara Mo
Imperial shrimp riding nudibranch (Periclemenes i
threat to 115 of the 247 comprehensively assessed
Ecologically and economically important species M
Red rock crab (Grapsus grapsus) Trond Larsen
“Solar-powered” nudibranch (Phyllodesmium longici
are hugely susceptible to negative impacts, speci
References 1. Census of Marine Life (2012). The
Crinoid © Trond Larsen | 45
Chapter 4 Terrestrial invertebrate life Justin
Diaea ambara © Bryce McQuillan
Monarch butterfly © Martin D. Parr Molluscs F
Mountain spotted grasshopper (Monistria concinna)
degradation in species-rich areas of tropical Afr
Forage Fouling $120 Million Parasitism $
Phasmid © Michael Tweddle / Tweddlefoto.com 52
Figure 06 | Global threats to terrestrial inverte
Marsh flies (Sciomyzidae) © Bryce McQuillan
(snails, woodlice and flightless insects) and lowe
References 1. Mora C, Tittensor DP, Adl S, Simp
Dung fly © Patrik Katona
58 | Spineless Status and trends of the world's i
3 Developing invertebrate conservation
Chapter 5 Invertebrates: our natural capital Mel
White-tailed bumblebee (Bombus lucorum) © Nick Up
Afrithelphusa monodosa © Neil Cumberlidge oy
Box 02 | National green accounting Economic prosp
435 137 431 854Figure 01 | Overview of the Red Li
Honey bee (Apis melifera) © Michael Tweddle / Twe
Figure 03 | Distribution patterns of each of the
extremely sedentary and hardly ever leave the pat
the continuity of traditional management systems
Informing conservation action and guiding funding
Figure 07 | Maps showing locations of 59 countrie
Maybug (Melolontha melolontha) © Nick Upton / 202
Chapter 6 Hidden in plain view: effective inverte
Figure 01 | The different operational perspective
Orb-weaver spider (Nephila sp.) © Trond Larsen
Box 01 | Design and management principles for
Grass-skipper © George J. Reclos 1. Inverteb
Moth (Zygaena carniolica) © Marco Bertolini |
© Photographer credit: Weaver ant
Ladybirds © Brad Bushey Photography Selection
Invertebrate conservation success Despite the com
Phasmid © Michael Tweddle / Tweddlefoto.com of
Nursery web spider (Pisaura mirabilis) © Nick Upt
Photo 04 | Large-scale ecological networks are in
References 1. Ponder, W. & Lunney, D. (1999). T
Scarab beetle (Protaetia trojana syriaca) © Oz Ri
Tortoise beetle © www.neloy.in
The Zoological Society of London (ZSL) The Zoolog