Species comparison

Crematogaster scutellaris vs Lasius niger

Side by side: difficulty, size, growth, climate, hibernation and nuptial flights, from the data and sources of each species sheet.

Head to head

Crematogaster scutellaris and Lasius niger compared fact by fact
Crematogaster scutellarisLasius niger
Keeping
Difficulty
6/7

Intermediate

Easier2/7

Beginner

Escape risk
Medium
Medium
Diet
SugarInsects
SugarInsects
Best nests
Wooden nest · Ytong nest · Acrylic nest
Sandwich nest · Ytong nest · Acrylic nest
Colony
Growth
FasterVery fast
Moderate
Colony size
Reaches 1,000 workers
No data yet
Workers
3–5 mm

All the same size

3–5 mm

All the same size

Queen
7–9 mm
8–9 mm
Colony founding
Fully claustral

One queen

Fully claustral

One queen

Defense
Bites · Smears venom
Bites · Sprays formic acid
Climate
Nest temperature
21–25 °C
23–25 °C
Nest humidity
50–60 %
40–60 %
Hibernation
8–12 °C

Oct – Mar

8–12 °C

Oct – Mar

Nuptial flights
Aug – Oct
Jul – Aug

Hot days · Calm weather

Native range
Europe, North Africa
Europe, Asia

Size to scale

  • Crematogaster scutellaris

    Workers · 3–5 mm
    Queen · 7–9 mm
  • Lasius niger

    Workers · 3–5 mm
    Queen · 8–9 mm
10 mm: both species are drawn at the same scale

Their year side by side

  • Crematogaster scutellaris : Hibernation: Oct – Mar, Nuptial flights: Aug – Oct

  • Lasius niger : Hibernation: Oct – Mar, Nuptial flights: Jul – Aug

Months for temperate Europe and the Mediterranean. The weather decides the exact days, so flights can come earlier or later where you live.

How to tell them apart

Crematogaster scutellaris

Workers with a red head, a dark body and a heart-shaped gaster that they lift above their head when disturbed. In the wild you will often find them in dead trees and old wood.

  • Tip A wooden nest is the natural choice for this species: they love nesting in wood, and a wooden nest needs no watering and very little maintenance.
  • Tip Keep honey on hand, because they love it: a small drop also gives a newly founded queen the energy she needs, without any protein.

Lasius niger

Small workers that are uniformly dark brown to black with a slightly shiny body, among the commonest ants of gardens, lawns and pavements. Unlike Lasius emarginatus, there is no reddish color on the thorax.

  • Tip Use a soil-based sandwich nest to watch them dig their own tunnels, or a white Ytong nest, where the black workers stand out sharply.
  • Tip In the wild they milk aphids for honeydew, so they go wild for sweet food: keep honey, sugar water or ant jelly on offer and add a little protein, such as Gammarus or small insects, for the brood.

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