Lygaeidae
The Lygaeidae are a family in the Hemiptera, with more than 110 genera in four subfamilies. The family is commonly referred to as seed bugs, and less commonly, milkweed bugs, or ground bugs. Many species feed on seeds, some on sap or seed pods, others are omnivores and a few, such as the wekiu bug, are insectivores. Insects in this family are distributed across the world.

Bale & Danielsson; Bannwarth, Th.; Cambridge Scientific Instrument Company; Godman, Frederick Du Cane; Hanhart; Horma… · Public Domain · via Wikipedia/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.
On record
Recorded, not inferred- Also called
- milkweed bugPBDB
- Sits inside
- LygaeoideaPBDB
- Motility
- actively mobilePBDB, for Arthropoda
- Environment
- terrestrialPBDB, for Insecta
Time the record covers
At least 161 million years on record.
The record covers at least 165.3 Mya to 3.6 Mya. No occurrence read is dated outside 170.9 Mya to 1.4 Mya.
85 occurrences of Lygaeidae on record, most of them in the Eocene. The Paleobiology Database records this as a living group, and the chart stops with its fossils rather than at the present. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.
When
85 occurrences- Middle Jurassic1%
- Late Jurassic1%
- Early Cretaceous11%
- Eocene46%
- Oligocene18%
- Miocene20%
- Pliocene3%
- Pleistoceneunder 1%
These are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.
Found in
17 formations
- Florissant Formation26
- Rott Formation9
- Upper Freshwater-Molasse Formation6
- Eifel Formation6
- Gurvan-Eren Formation4
- Bouldnor Formation · Solent Group4
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The named rock units Lygaeidae has been recovered from, largest first. Drawn where the rock is now, not where it formed. 16 occurrences have no formation on record, which is common for older literature.
Lygaeidae and its relatives
EoceneWhere Lygaeidae and its relatives were recorded in the Eocene.
Found in the same rock
2,014 taxa- Pentatomidae9 sites
- Formicidae8 sites
- Ichneumonidae8 sites
- Staphylinidae8 sites
- Cerambycidae7 sites
- Curculionidae7 sites
- Carabidae6 sites
- Cydnidae6 sites
- Acrididae5 sites
- Aeshnidae5 sites
- Bibio5 sites
- Blattidae5 sites
- Buprestinae5 sites
- Chironomidae5 sites
- Coleoptera5 sites
- Coreidae5 sites
- Curculionini5 sites
- Dytiscidae5 sites
- Orthoptera5 sites
- Penthetria5 sites
- Anisoptera4 sites
- Aphididae4 sites
- Apioninae4 sites
- Bibionidae4 sites
The Paleobiology Database records 43 sites for Lygaeidae, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.
This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.
Entered from
30 references- The Tertiary Insects of North America25
- Heer, 185311
- Geocorisae (Landwanzen) aus den Oberoligocanen Ablagerungen von Rott9
- Systematik, Phylogenie, Taphonomie und Paläoökologie der Insekten aus dem Mittel-Eozän des Eckfelder Maares, Vulkaneifel6
- Peloridiina (= Coleorrhyncha) and Cimicina (= Heteroptera), in Nasekomye v rannemelovykh ekosistemakh zapadnoy Mongolii4
- Aphids, true hoppers, jumping plant-lice, scale insects, true bugs and whiteflies (Insecta: Hemiptera) from the Insect Limestone (latest Eocene) of the Isle of Wight, UK3
- Nastoyashchie poluzhestkokrylye nizhnemelovykh otlozheniy Manlaya3
- Les insectes fossiles des terrains oligocènes de France2
- Insectos del Mioceno inferior de Ribesalbes (Castellón, España). Paleoptera y Neoptera poli- y paraneoptera1
- Zhang et al., 19941
- Fossil insects (Hemiptera) from the Ruby River Basin (Oligocene) near Alder, Montana1
- Bugs, Cimicina, in Pozdne-Mezozoyskie Nasekomye Vostochnogo Zabaykal'ya1
Each of the 85 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. 18 further references are not listed. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content1
Picture of Lygaeidae
- Source
- Wikipedia/Commons
- Credit
- Bale & Danielsson; Bannwarth, Th.; Cambridge Scientific Instrument Company; Godman, Frederick Du Cane; Hanhart; Horma…
- Licence
- Public Domain
- Commercial use
- the licence allows it
No 3D scan of Lygaeidae was found in Sketchfab.
Smithsonian Open Access and MorphoSource were not reached for this taxon, so this list is what the others held rather than everything there is.
The description on this site
- Source
- Wikipedia, “Lygaeidae”
- Licence
- CC BY-SA 4.0
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itLygaeoidea through timeFormations of the EoceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Schilling 1829