Family Burrowing Bugs (Cydnidae)
Cydnidae is a family in the order Hemiptera. Browse 47 named species recorded in this family, or open an individual profile for its available identification and natural-history information.
Species in Cydnidae (47)

Amnestus basidentatus
Amnestus basidentatus
Identification: males metafemoral spine very short (very long in A. pusillus ); females indistinguishable from A. pusio 's

Amnestus pallidus
Amnestus pallidus
Identification: Each juga with 5 pegs/spines and beak doesn't extend beyond middle coxa

Amnestus pusillus
Amnestus pusillus
Identification: Each juga with 4 pegs or spines (sometimes one with 5, but not both). Males have a long spine on the hind femur and females have a median glabrous area on the abdomen.

Amnestus spinifrons
Amnestus spinifrons
Identification: Juga each with 5 marginal pegs, beak extending to or past the hind coxae

Ectinopus holomelas
Ectinopus holomelas
Identification: The large, blackish membrane which occupies about one-half of the hemelytral length permits ready recognition of this genus. eyes bright red , differentiated from its congeners by the lack of punctures on the basal [=top] fourth of th

Bordered Shieldbug
Legnotus limbosus
Length 3.5-4.5 mm. Front margin of head strongly notched ; outer margin of fore-wing pale over the whole or most of the length of the corium (c.f. Legnotus picipes ). Associated with bedstraws ( Galium sp) growing on dry friable soils in sunny situat

Melanaethus noctivagus
Melanaethus noctivagus
Identification: TYPE SPECIMEN [in CAS; kindly imaged upon my request by Rachel Diaz-Bastin; thanks to her, as well as Ken Schneider and David Bettman for their generous help]

Rhytidoporus indentatus
Rhytidoporus indentatus
Identification: Good illustrations of head and pleura in Froeschner our only representative of the nominate subgenus that contains 3 more spp.

Forget-me-not Shieldbug
Sehirus luctuosus
Length 5-8mm. A completely black shieldbug, sometimes with a bronzy sheen, wing membrane variable, light or dark. Margins of head and pronotum without bristles. There is a closely-related species present in the UK, Sehirus morio , which seems to be t

Pied Shieldbug
Tritomegas bicolor
Length 5.5-7.5 mm. A distinctively marked black and white shieldbug with a brown wing membrane. Like other members of this family, it is a ground-dwelling species, but may be found feeding on the aerial parts of the main host plants. The sexes can va

Amnestus trimaculatus
Amnestus trimaculatus

Chilocoris repetitus
Chilocoris repetitus

Cydnus aterrimus
Cydnus aterrimus

Burrowing Bug
Cyrtomenus ciliatus

Cyrtomenus crassus
Cyrtomenus crassus

Dallasiellus californicus
Dallasiellus californicus

Dallasiellus discrepans
Dallasiellus discrepans

Dallasiellus lugubris
Dallasiellus lugubris

Dallasiellus puncticoria
Dallasiellus puncticoria

Dallasiellus vanduzeei
Dallasiellus vanduzeei

heath shieldbug
Legnotus picipes

Melanaethus anthracinus
Melanaethus anthracinus

Melanaethus crenatus
Melanaethus crenatus

Melanaethus pensylvanicus
Melanaethus pensylvanicus
Melanaethus planifrons 0
Melanaethus planifrons

Melanaethus robustus
Melanaethus robustus

Melanaethus spinolae
Melanaethus spinolae

Melanaethus subglaber
Melanaethus subglaber

Melanaethus subpunctatus
Melanaethus subpunctatus

Melanaethus uhleri
Melanaethus uhleri

Black Ground Bug
Microporus nigrita

Microporus obliquus
Microporus obliquus

Microporus testudinatus
Microporus testudinatus

Burrowing Bug
Pangaeus bilineatus

Pangaeus congruus
Pangaeus congruus

Pangaeus punctilineus
Pangaeus punctilineus

Pangaeus tuberculipes
Pangaeus tuberculipes

Rhytidoporus compactus
Rhytidoporus compactus

Scaptocoris castaneus
Scaptocoris castaneus

White-margined Burrower Bug
Sehirus cinctus

Sehirus morio
Sehirus morio

Tominotus communis
Tominotus communis

Tominotus conformis
Tominotus conformis

Tominotus hogenhoferi
Tominotus hogenhoferi

Tominotus unisetosus
Tominotus unisetosus

Tritomegas rotundipennis
Tritomegas rotundipennis

Rambur's pied shieldbug
Tritomegas sexmaculatus